18404798

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:907

約数の個数: 16

約数和(自身を含む): 28216944

約数和(自身を除く): 9812146

約数列:

[1, 2, 61, 122, 257, 514, 587, 1174, 15677, 31354, 35807, 71614, 150859, 301718, 9202399, 18404798]

約数ペア:

[(1, 18404798), (2, 9202399), (61, 301718), (122, 150859), (257, 71614), (514, 35807), (587, 31354), (1174, 15677)]