18791307990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40253}}^1$

素因数の和:40308

約数の個数: 256

約数和(自身を含む): 64921651200

約数和(自身を除く): 46130343210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 26, 27, 30, 35, 38, 39, 42, 45, 54, 57, 63, 65, 70, 78, 90, 91, 95, 105, 114, 117, 126, 130, 133, 135, 171, 182, 189, 190, 195, 210, 234, 247, 266, 270, 273, 285, 315, 342, 351, 378, 390, 399, 455, 494, 513, 546, 570, 585, 630, 665, 702, 741, 798, 819, 855, 910, 945, 1026, 1170, 1197, 1235, 1330, 1365, 1482, 1638, 1710, 1729, 1755, 1890, 1995, 2223, 2394, 2457, 2470, 2565, 2730, 3458, 3510, 3591, 3705, 3990, 4095, 4446, 4914, 5130, 5187, 5985, 6669, 7182, 7410, 8190, 8645, 10374, 11115, 11970, 12285, 13338, 15561, 17290, 17955, 22230, 24570, 25935, 31122, 33345, 35910, 40253, 46683, 51870, 66690, 77805, 80506, 93366, 120759, 155610, 201265, 233415, 241518, 281771, 362277, 402530, 466830, 523289, 563542, 603795, 724554, 764807, 845313, 1046578, 1086831, 1207590, 1408855, 1529614, 1569867, 1690626, 1811385, 2173662, 2294421, 2535939, 2616445, 2817710, 3139734, 3622770, 3663023, 3824035, 4226565, 4588842, 4709601, 5071878, 5232890, 5353649, 5434155, 6883263, 7326046, 7607817, 7648070, 7849335, 8453130, 9419202, 9942491, 10707298, 10868310, 10989069, 11472105, 12679695, 13766526, 14128803, 15215634, 15698670, 16060947, 18315115, 19884982, 20649789, 21978138, 22944210, 23548005, 25359390, 26768245, 28257606, 29827473, 32121894, 32967207, 34416315, 36630230, 38039085, 41299578, 47096010, 48182841, 49712455, 53536490, 54945345, 59654946, 65934414, 68832630, 69597437, 70644015, 76078170, 80304735, 89482419, 96365682, 98901621, 99424910, 103248945, 109890690, 139194874, 141288030, 144548523, 149137365, 160609470, 164836035, 178964838, 197803242, 206497890, 208792311, 240914205, 268447257, 289097046, 298274730, 329672070, 347987185, 417584622, 447412095, 481828410, 494508105, 536894514, 626376933, 695974370, 722742615, 894824190, 989016210, 1043961555, 1252753866, 1342236285, 1445485230, 1879130799, 2087923110, 2684472570, 3131884665, 3758261598, 6263769330, 9395653995, 18791307990]

約数ペア:

[(1, 18791307990), (2, 9395653995), (3, 6263769330), (5, 3758261598), (6, 3131884665), (7, 2684472570), (9, 2087923110), (10, 1879130799), (13, 1445485230), (14, 1342236285), (15, 1252753866), (18, 1043961555), (19, 989016210), (21, 894824190), (26, 722742615), (27, 695974370), (30, 626376933), (35, 536894514), (38, 494508105), (39, 481828410), (42, 447412095), (45, 417584622), (54, 347987185), (57, 329672070), (63, 298274730), (65, 289097046), (70, 268447257), (78, 240914205), (90, 208792311), (91, 206497890), (95, 197803242), (105, 178964838), (114, 164836035), (117, 160609470), (126, 149137365), (130, 144548523), (133, 141288030), (135, 139194874), (171, 109890690), (182, 103248945), (189, 99424910), (190, 98901621), (195, 96365682), (210, 89482419), (234, 80304735), (247, 76078170), (266, 70644015), (270, 69597437), (273, 68832630), (285, 65934414), (315, 59654946), (342, 54945345), (351, 53536490), (378, 49712455), (390, 48182841), (399, 47096010), (455, 41299578), (494, 38039085), (513, 36630230), (546, 34416315), (570, 32967207), (585, 32121894), (630, 29827473), (665, 28257606), (702, 26768245), (741, 25359390), (798, 23548005), (819, 22944210), (855, 21978138), (910, 20649789), (945, 19884982), (1026, 18315115), (1170, 16060947), (1197, 15698670), (1235, 15215634), (1330, 14128803), (1365, 13766526), (1482, 12679695), (1638, 11472105), (1710, 10989069), (1729, 10868310), (1755, 10707298), (1890, 9942491), (1995, 9419202), (2223, 8453130), (2394, 7849335), (2457, 7648070), (2470, 7607817), (2565, 7326046), (2730, 6883263), (3458, 5434155), (3510, 5353649), (3591, 5232890), (3705, 5071878), (3990, 4709601), (4095, 4588842), (4446, 4226565), (4914, 3824035), (5130, 3663023), (5187, 3622770), (5985, 3139734), (6669, 2817710), (7182, 2616445), (7410, 2535939), (8190, 2294421), (8645, 2173662), (10374, 1811385), (11115, 1690626), (11970, 1569867), (12285, 1529614), (13338, 1408855), (15561, 1207590), (17290, 1086831), (17955, 1046578), (22230, 845313), (24570, 764807), (25935, 724554), (31122, 603795), (33345, 563542), (35910, 523289), (40253, 466830), (46683, 402530), (51870, 362277), (66690, 281771), (77805, 241518), (80506, 233415), (93366, 201265), (120759, 155610)]