18318839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3259}}^1$

素因数の和:3350

約数の個数: 16

約数和(自身を含む): 23159040

約数和(自身を除く): 4840201

約数列:

[1, 7, 11, 73, 77, 511, 803, 3259, 5621, 22813, 35849, 237907, 250943, 1665349, 2616977, 18318839]

約数ペア:

[(1, 18318839), (7, 2616977), (11, 1665349), (73, 250943), (77, 237907), (511, 35849), (803, 22813), (3259, 5621)]