21920186

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3187}}^1$

素因数の和:3389

約数の個数: 16

約数和(自身を含む): 34812960

約数和(自身を除く): 12892774

約数列:

[1, 2, 19, 38, 181, 362, 3187, 3439, 6374, 6878, 60553, 121106, 576847, 1153694, 10960093, 21920186]

約数ペア:

[(1, 21920186), (2, 10960093), (19, 1153694), (38, 576847), (181, 121106), (362, 60553), (3187, 6878), (3439, 6374)]