12618860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20353}}^1$

素因数の和:20393

約数の個数: 24

約数和(自身を含む): 27355776

約数和(自身を除く): 14736916

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20353, 40706, 81412, 101765, 203530, 407060, 630943, 1261886, 2523772, 3154715, 6309430, 12618860]

約数ペア:

[(1, 12618860), (2, 6309430), (4, 3154715), (5, 2523772), (10, 1261886), (20, 630943), (31, 407060), (62, 203530), (124, 101765), (155, 81412), (310, 40706), (620, 20353)]