19729710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 256

約数和(自身を含む): 71608320

約数和(自身を除く): 51878610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 27, 30, 33, 35, 39, 42, 45, 54, 55, 63, 65, 66, 70, 73, 77, 78, 90, 91, 99, 105, 110, 117, 126, 130, 135, 143, 146, 154, 165, 182, 189, 195, 198, 210, 219, 231, 234, 270, 273, 286, 297, 315, 330, 351, 365, 378, 385, 390, 429, 438, 455, 462, 495, 511, 546, 585, 594, 630, 657, 693, 702, 715, 730, 770, 803, 819, 858, 910, 945, 949, 990, 1001, 1022, 1095, 1155, 1170, 1287, 1314, 1365, 1386, 1430, 1485, 1533, 1606, 1638, 1755, 1890, 1898, 1971, 2002, 2079, 2145, 2190, 2310, 2409, 2457, 2555, 2574, 2730, 2847, 2970, 3003, 3066, 3285, 3465, 3510, 3861, 3942, 4015, 4095, 4158, 4290, 4599, 4745, 4818, 4914, 5005, 5110, 5621, 5694, 6006, 6435, 6570, 6643, 6930, 7227, 7665, 7722, 8030, 8190, 8541, 9009, 9198, 9490, 9855, 10010, 10395, 10439, 11242, 12045, 12285, 12870, 13286, 13797, 14235, 14454, 15015, 15330, 16863, 17082, 18018, 19305, 19710, 19929, 20790, 20878, 21681, 22995, 24090, 24570, 25623, 27027, 27594, 28105, 28470, 30030, 31317, 33215, 33726, 36135, 38610, 39858, 42705, 43362, 45045, 45990, 50589, 51246, 52195, 54054, 56210, 59787, 62634, 66430, 68985, 72270, 73073, 84315, 85410, 90090, 93951, 99645, 101178, 104390, 108405, 119574, 128115, 135135, 137970, 146146, 151767, 156585, 168630, 179361, 187902, 199290, 216810, 219219, 252945, 256230, 270270, 281853, 298935, 303534, 313170, 358722, 365365, 438438, 469755, 505890, 563706, 597870, 657657, 730730, 758835, 896805, 939510, 1096095, 1315314, 1409265, 1517670, 1793610, 1972971, 2192190, 2818530, 3288285, 3945942, 6576570, 9864855, 19729710]

約数ペア:

[(1, 19729710), (2, 9864855), (3, 6576570), (5, 3945942), (6, 3288285), (7, 2818530), (9, 2192190), (10, 1972971), (11, 1793610), (13, 1517670), (14, 1409265), (15, 1315314), (18, 1096095), (21, 939510), (22, 896805), (26, 758835), (27, 730730), (30, 657657), (33, 597870), (35, 563706), (39, 505890), (42, 469755), (45, 438438), (54, 365365), (55, 358722), (63, 313170), (65, 303534), (66, 298935), (70, 281853), (73, 270270), (77, 256230), (78, 252945), (90, 219219), (91, 216810), (99, 199290), (105, 187902), (110, 179361), (117, 168630), (126, 156585), (130, 151767), (135, 146146), (143, 137970), (146, 135135), (154, 128115), (165, 119574), (182, 108405), (189, 104390), (195, 101178), (198, 99645), (210, 93951), (219, 90090), (231, 85410), (234, 84315), (270, 73073), (273, 72270), (286, 68985), (297, 66430), (315, 62634), (330, 59787), (351, 56210), (365, 54054), (378, 52195), (385, 51246), (390, 50589), (429, 45990), (438, 45045), (455, 43362), (462, 42705), (495, 39858), (511, 38610), (546, 36135), (585, 33726), (594, 33215), (630, 31317), (657, 30030), (693, 28470), (702, 28105), (715, 27594), (730, 27027), (770, 25623), (803, 24570), (819, 24090), (858, 22995), (910, 21681), (945, 20878), (949, 20790), (990, 19929), (1001, 19710), (1022, 19305), (1095, 18018), (1155, 17082), (1170, 16863), (1287, 15330), (1314, 15015), (1365, 14454), (1386, 14235), (1430, 13797), (1485, 13286), (1533, 12870), (1606, 12285), (1638, 12045), (1755, 11242), (1890, 10439), (1898, 10395), (1971, 10010), (2002, 9855), (2079, 9490), (2145, 9198), (2190, 9009), (2310, 8541), (2409, 8190), (2457, 8030), (2555, 7722), (2574, 7665), (2730, 7227), (2847, 6930), (2970, 6643), (3003, 6570), (3066, 6435), (3285, 6006), (3465, 5694), (3510, 5621), (3861, 5110), (3942, 5005), (4015, 4914), (4095, 4818), (4158, 4745), (4290, 4599)]