17890951

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 20492640

約数和(自身を除く): 2601689

約数列:

[1, 13, 19, 113, 247, 641, 1469, 2147, 8333, 12179, 27911, 72433, 158327, 941629, 1376227, 17890951]

約数ペア:

[(1, 17890951), (13, 1376227), (19, 941629), (113, 158327), (247, 72433), (641, 27911), (1469, 12179), (2147, 8333)]