18713180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11273}}^1$

素因数の和:11365

約数の個数: 24

約数和(自身を含む): 39774672

約数和(自身を除く): 21061492

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11273, 22546, 45092, 56365, 112730, 225460, 935659, 1871318, 3742636, 4678295, 9356590, 18713180]

約数ペア:

[(1, 18713180), (2, 9356590), (4, 4678295), (5, 3742636), (10, 1871318), (20, 935659), (83, 225460), (166, 112730), (332, 56365), (415, 45092), (830, 22546), (1660, 11273)]