19741930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8933}}^1$

素因数の和:8970

約数の個数: 32

約数和(自身を含む): 40524624

約数和(自身を除く): 20782694

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8933, 17866, 44665, 89330, 116129, 151861, 232258, 303722, 580645, 759305, 1161290, 1518610, 1974193, 3948386, 9870965, 19741930]

約数ペア:

[(1, 19741930), (2, 9870965), (5, 3948386), (10, 1974193), (13, 1518610), (17, 1161290), (26, 759305), (34, 580645), (65, 303722), (85, 232258), (130, 151861), (170, 116129), (221, 89330), (442, 44665), (1105, 17866), (2210, 8933)]