18767021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{761}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 23213568

約数和(自身を除く): 4446547

約数列:

[1, 7, 13, 91, 271, 761, 1897, 3523, 5327, 9893, 24661, 69251, 206231, 1443617, 2681003, 18767021]

約数ペア:

[(1, 18767021), (7, 2681003), (13, 1443617), (91, 206231), (271, 69251), (761, 24661), (1897, 9893), (3523, 5327)]