20181489335

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18600451}}^1$

素因数の和:18600494

約数の個数: 16

約数和(自身を含む): 28570294272

約数和(自身を除く): 8388804937

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 18600451, 93002255, 130203157, 576613981, 651015785, 2883069905, 4036297867, 20181489335]

約数ペア:

[(1, 20181489335), (5, 4036297867), (7, 2883069905), (31, 651015785), (35, 576613981), (155, 130203157), (217, 93002255), (1085, 18600451)]