18659810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143537}}^1$

素因数の和:143557

約数の個数: 16

約数和(自身を含む): 36171576

約数和(自身を除く): 17511766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 143537, 287074, 717685, 1435370, 1865981, 3731962, 9329905, 18659810]

約数ペア:

[(1, 18659810), (2, 9329905), (5, 3731962), (10, 1865981), (13, 1435370), (26, 717685), (65, 287074), (130, 143537)]