20181526535

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{4297}}^1$

素因数の和:4683

約数の個数: 32

約数和(自身を含む): 25294520832

約数和(自身を除く): 5112994297

約数列:

[1, 5, 31, 155, 157, 193, 785, 965, 4297, 4867, 5983, 21485, 24335, 29915, 30301, 133207, 151505, 666035, 674629, 829321, 939331, 3373145, 4146605, 4696655, 20913499, 25708951, 104567495, 128544755, 130203397, 651016985, 4036305307, 20181526535]

約数ペア:

[(1, 20181526535), (5, 4036305307), (31, 651016985), (155, 130203397), (157, 128544755), (193, 104567495), (785, 25708951), (965, 20913499), (4297, 4696655), (4867, 4146605), (5983, 3373145), (21485, 939331), (24335, 829321), (29915, 674629), (30301, 666035), (133207, 151505)]