19048260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 288

約数和(自身を含む): 73543680

約数和(自身を除く): 54495420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 31, 33, 35, 38, 42, 44, 49, 55, 57, 60, 62, 66, 70, 76, 77, 84, 93, 95, 98, 105, 110, 114, 124, 132, 133, 140, 147, 154, 155, 165, 186, 190, 196, 209, 210, 217, 220, 228, 231, 245, 266, 285, 294, 308, 310, 330, 341, 372, 380, 385, 399, 418, 420, 434, 462, 465, 490, 532, 539, 570, 588, 589, 620, 627, 651, 660, 665, 682, 735, 770, 798, 836, 868, 924, 930, 931, 980, 1023, 1045, 1078, 1085, 1140, 1155, 1178, 1254, 1302, 1330, 1364, 1463, 1470, 1519, 1540, 1596, 1617, 1705, 1767, 1860, 1862, 1995, 2046, 2090, 2156, 2170, 2310, 2356, 2387, 2508, 2604, 2660, 2695, 2793, 2926, 2940, 2945, 3038, 3135, 3234, 3255, 3410, 3534, 3724, 3990, 4092, 4123, 4180, 4340, 4389, 4557, 4620, 4655, 4774, 5115, 5390, 5586, 5852, 5890, 6076, 6270, 6468, 6479, 6510, 6820, 7068, 7161, 7315, 7595, 7980, 8085, 8246, 8778, 8835, 9114, 9310, 9548, 10230, 10241, 10780, 11172, 11780, 11935, 12369, 12540, 12958, 13020, 13965, 14322, 14630, 15190, 16170, 16492, 16709, 17556, 17670, 18228, 18620, 19437, 20460, 20482, 20615, 21945, 22785, 23870, 24738, 25916, 27930, 28644, 28861, 29260, 30380, 30723, 32340, 32395, 33418, 35340, 35805, 38874, 40964, 41230, 43890, 45353, 45570, 47740, 49476, 50127, 51205, 55860, 57722, 61446, 61845, 64790, 66836, 71610, 77748, 82460, 83545, 86583, 87780, 90706, 91140, 97185, 100254, 102410, 115444, 122892, 123690, 129580, 136059, 143220, 144305, 153615, 167090, 173166, 181412, 194370, 200508, 204820, 226765, 247380, 250635, 272118, 288610, 307230, 317471, 334180, 346332, 388740, 432915, 453530, 501270, 544236, 577220, 614460, 634942, 680295, 865830, 907060, 952413, 1002540, 1269884, 1360590, 1587355, 1731660, 1904826, 2721180, 3174710, 3809652, 4762065, 6349420, 9524130, 19048260]

約数ペア:

[(1, 19048260), (2, 9524130), (3, 6349420), (4, 4762065), (5, 3809652), (6, 3174710), (7, 2721180), (10, 1904826), (11, 1731660), (12, 1587355), (14, 1360590), (15, 1269884), (19, 1002540), (20, 952413), (21, 907060), (22, 865830), (28, 680295), (30, 634942), (31, 614460), (33, 577220), (35, 544236), (38, 501270), (42, 453530), (44, 432915), (49, 388740), (55, 346332), (57, 334180), (60, 317471), (62, 307230), (66, 288610), (70, 272118), (76, 250635), (77, 247380), (84, 226765), (93, 204820), (95, 200508), (98, 194370), (105, 181412), (110, 173166), (114, 167090), (124, 153615), (132, 144305), (133, 143220), (140, 136059), (147, 129580), (154, 123690), (155, 122892), (165, 115444), (186, 102410), (190, 100254), (196, 97185), (209, 91140), (210, 90706), (217, 87780), (220, 86583), (228, 83545), (231, 82460), (245, 77748), (266, 71610), (285, 66836), (294, 64790), (308, 61845), (310, 61446), (330, 57722), (341, 55860), (372, 51205), (380, 50127), (385, 49476), (399, 47740), (418, 45570), (420, 45353), (434, 43890), (462, 41230), (465, 40964), (490, 38874), (532, 35805), (539, 35340), (570, 33418), (588, 32395), (589, 32340), (620, 30723), (627, 30380), (651, 29260), (660, 28861), (665, 28644), (682, 27930), (735, 25916), (770, 24738), (798, 23870), (836, 22785), (868, 21945), (924, 20615), (930, 20482), (931, 20460), (980, 19437), (1023, 18620), (1045, 18228), (1078, 17670), (1085, 17556), (1140, 16709), (1155, 16492), (1178, 16170), (1254, 15190), (1302, 14630), (1330, 14322), (1364, 13965), (1463, 13020), (1470, 12958), (1519, 12540), (1540, 12369), (1596, 11935), (1617, 11780), (1705, 11172), (1767, 10780), (1860, 10241), (1862, 10230), (1995, 9548), (2046, 9310), (2090, 9114), (2156, 8835), (2170, 8778), (2310, 8246), (2356, 8085), (2387, 7980), (2508, 7595), (2604, 7315), (2660, 7161), (2695, 7068), (2793, 6820), (2926, 6510), (2940, 6479), (2945, 6468), (3038, 6270), (3135, 6076), (3234, 5890), (3255, 5852), (3410, 5586), (3534, 5390), (3724, 5115), (3990, 4774), (4092, 4655), (4123, 4620), (4180, 4557), (4340, 4389)]