18715696870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143966899}}^1$

素因数の和:143966919

約数の個数: 16

約数和(自身を含む): 36279658800

約数和(自身を除く): 17563961930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 143966899, 287933798, 719834495, 1439668990, 1871569687, 3743139374, 9357848435, 18715696870]

約数ペア:

[(1, 18715696870), (2, 9357848435), (5, 3743139374), (10, 1871569687), (13, 1439668990), (26, 719834495), (65, 287933798), (130, 143966899)]