19719190

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 36432000

約数和(自身を除く): 16712810

約数列:

[1, 2, 5, 10, 79, 109, 158, 218, 229, 395, 458, 545, 790, 1090, 1145, 2290, 8611, 17222, 18091, 24961, 36182, 43055, 49922, 86110, 90455, 124805, 180910, 249610, 1971919, 3943838, 9859595, 19719190]

約数ペア:

[(1, 19719190), (2, 9859595), (5, 3943838), (10, 1971919), (79, 249610), (109, 180910), (158, 124805), (218, 90455), (229, 86110), (395, 49922), (458, 43055), (545, 36182), (790, 24961), (1090, 18091), (1145, 17222), (2290, 8611)]