18253040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17551}}^1$

素因数の和:17577

約数の個数: 40

約数和(自身を含む): 45705408

約数和(自身を除く): 27452368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17551, 35102, 70204, 87755, 140408, 175510, 228163, 280816, 351020, 456326, 702040, 912652, 1140815, 1404080, 1825304, 2281630, 3650608, 4563260, 9126520, 18253040]

約数ペア:

[(1, 18253040), (2, 9126520), (4, 4563260), (5, 3650608), (8, 2281630), (10, 1825304), (13, 1404080), (16, 1140815), (20, 912652), (26, 702040), (40, 456326), (52, 351020), (65, 280816), (80, 228163), (104, 175510), (130, 140408), (208, 87755), (260, 70204), (520, 35102), (1040, 17551)]