18762440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15131}}^1$

素因数の和:15173

約数の個数: 32

約数和(自身を含む): 43580160

約数和(自身を除く): 24817720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15131, 30262, 60524, 75655, 121048, 151310, 302620, 469061, 605240, 938122, 1876244, 2345305, 3752488, 4690610, 9381220, 18762440]

約数ペア:

[(1, 18762440), (2, 9381220), (4, 4690610), (5, 3752488), (8, 2345305), (10, 1876244), (20, 938122), (31, 605240), (40, 469061), (62, 302620), (124, 151310), (155, 121048), (248, 75655), (310, 60524), (620, 30262), (1240, 15131)]