18667738

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:669

約数の個数: 16

約数和(自身を含む): 28421856

約数和(自身を除く): 9754118

約数列:

[1, 2, 163, 173, 326, 331, 346, 662, 28199, 53953, 56398, 57263, 107906, 114526, 9333869, 18667738]

約数ペア:

[(1, 18667738), (2, 9333869), (163, 114526), (173, 107906), (326, 57263), (331, 56398), (346, 53953), (662, 28199)]