18792818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23087}}^1$

素因数の和:23137

約数の個数: 16

約数和(自身を含む): 31584384

約数和(自身を除く): 12791566

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 23087, 46174, 253957, 507914, 854219, 1708438, 9396409, 18792818]

約数ペア:

[(1, 18792818), (2, 9396409), (11, 1708438), (22, 854219), (37, 507914), (74, 253957), (407, 46174), (814, 23087)]