18981804

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{20023}}^1$

素因数の和:20109

約数の個数: 24

約数和(自身を含む): 44853760

約数和(自身を除く): 25871956

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 20023, 40046, 60069, 80092, 120138, 240276, 1581817, 3163634, 4745451, 6327268, 9490902, 18981804]

約数ペア:

[(1, 18981804), (2, 9490902), (3, 6327268), (4, 4745451), (6, 3163634), (12, 1581817), (79, 240276), (158, 120138), (237, 80092), (316, 60069), (474, 40046), (948, 20023)]