19547450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 43590960

約数和(自身を除く): 24043510

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 29, 34, 50, 58, 61, 65, 85, 122, 130, 145, 170, 221, 290, 305, 325, 377, 425, 442, 493, 610, 650, 725, 754, 793, 850, 986, 1037, 1105, 1450, 1525, 1586, 1769, 1885, 2074, 2210, 2465, 3050, 3538, 3770, 3965, 4930, 5185, 5525, 6409, 7930, 8845, 9425, 10370, 11050, 12325, 12818, 13481, 17690, 18850, 19825, 22997, 24650, 25925, 26962, 30073, 32045, 39650, 44225, 45994, 51850, 60146, 64090, 67405, 88450, 114985, 134810, 150365, 160225, 229970, 300730, 320450, 337025, 390949, 574925, 674050, 751825, 781898, 1149850, 1503650, 1954745, 3909490, 9773725, 19547450]

約数ペア:

[(1, 19547450), (2, 9773725), (5, 3909490), (10, 1954745), (13, 1503650), (17, 1149850), (25, 781898), (26, 751825), (29, 674050), (34, 574925), (50, 390949), (58, 337025), (61, 320450), (65, 300730), (85, 229970), (122, 160225), (130, 150365), (145, 134810), (170, 114985), (221, 88450), (290, 67405), (305, 64090), (325, 60146), (377, 51850), (425, 45994), (442, 44225), (493, 39650), (610, 32045), (650, 30073), (725, 26962), (754, 25925), (793, 24650), (850, 22997), (986, 19825), (1037, 18850), (1105, 17690), (1450, 13481), (1525, 12818), (1586, 12325), (1769, 11050), (1885, 10370), (2074, 9425), (2210, 8845), (2465, 7930), (3050, 6409), (3538, 5525), (3770, 5185), (3965, 4930)]