18653258

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23143}}^1$

素因数の和:23189

約数の個数: 16

約数和(自身を含む): 31105536

約数和(自身を除く): 12452278

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23143, 46286, 300859, 601718, 717433, 1434866, 9326629, 18653258]

約数ペア:

[(1, 18653258), (2, 9326629), (13, 1434866), (26, 717433), (31, 601718), (62, 300859), (403, 46286), (806, 23143)]