18687710

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11903}}^1$

素因数の和:12067

約数の個数: 16

約数和(自身を含む): 33854976

約数和(自身を除く): 15167266

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 11903, 23806, 59515, 119030, 1868771, 3737542, 9343855, 18687710]

約数ペア:

[(1, 18687710), (2, 9343855), (5, 3737542), (10, 1868771), (157, 119030), (314, 59515), (785, 23806), (1570, 11903)]