12915991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 15350400

約数和(自身を除く): 2434409

約数列:

[1, 11, 19, 29, 209, 319, 551, 2131, 6061, 23441, 40489, 61799, 445379, 679789, 1174181, 12915991]

約数ペア:

[(1, 12915991), (11, 1174181), (19, 679789), (29, 445379), (209, 61799), (319, 40489), (551, 23441), (2131, 6061)]