19467890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 22335886

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 383, 391, 442, 598, 766, 782, 1105, 1495, 1915, 1955, 2210, 2990, 3830, 3910, 4979, 5083, 6511, 8809, 9958, 10166, 13022, 17618, 24895, 25415, 32555, 44045, 49790, 50830, 65110, 84643, 88090, 114517, 149753, 169286, 229034, 299506, 423215, 572585, 748765, 846430, 1145170, 1497530, 1946789, 3893578, 9733945, 19467890]

約数ペア:

[(1, 19467890), (2, 9733945), (5, 3893578), (10, 1946789), (13, 1497530), (17, 1145170), (23, 846430), (26, 748765), (34, 572585), (46, 423215), (65, 299506), (85, 229034), (115, 169286), (130, 149753), (170, 114517), (221, 88090), (230, 84643), (299, 65110), (383, 50830), (391, 49790), (442, 44045), (598, 32555), (766, 25415), (782, 24895), (1105, 17618), (1495, 13022), (1915, 10166), (1955, 9958), (2210, 8809), (2990, 6511), (3830, 5083), (3910, 4979)]