19565519018

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1\times {\mathrm{215893}}^1$

素因数の和:216409

約数の個数: 16

約数和(自身を含む): 29681970696

約数和(自身を除く): 10116451678

約数列:

[1, 2, 113, 226, 401, 802, 45313, 90626, 215893, 431786, 24395909, 48791818, 86573093, 173146186, 9782759509, 19565519018]

約数ペア:

[(1, 19565519018), (2, 9782759509), (113, 173146186), (226, 86573093), (401, 48791818), (802, 24395909), (45313, 431786), (90626, 215893)]