18478239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2069}}^1$

素因数の和:2314

約数の個数: 16

約数和(自身を含む): 26661600

約数和(自身を除く): 8183361

約数列:

[1, 3, 13, 39, 229, 687, 2069, 2977, 6207, 8931, 26897, 80691, 473801, 1421403, 6159413, 18478239]

約数ペア:

[(1, 18478239), (3, 6159413), (13, 1421403), (39, 473801), (229, 80691), (687, 26897), (2069, 8931), (2977, 6207)]