18139917

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1061}}^1$

素因数の和:1244

約数の個数: 16

約数和(自身を含む): 24978240

約数和(自身を除く): 6838323

約数列:

[1, 3, 41, 123, 139, 417, 1061, 3183, 5699, 17097, 43501, 130503, 147479, 442437, 6046639, 18139917]

約数ペア:

[(1, 18139917), (3, 6046639), (41, 442437), (123, 147479), (139, 130503), (417, 43501), (1061, 17097), (3183, 5699)]