18927831

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 28094160

約数和(自身を除く): 9166329

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 1009, 1443, 3027, 6253, 13117, 18759, 37333, 39351, 111999, 170521, 485329, 511563, 1455987, 6309277, 18927831]

約数ペア:

[(1, 18927831), (3, 6309277), (13, 1455987), (37, 511563), (39, 485329), (111, 170521), (169, 111999), (481, 39351), (507, 37333), (1009, 18759), (1443, 13117), (3027, 6253)]