12191919

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3259}}^1$

素因数の和:3334

約数の個数: 16

約数和(自身を含む): 17212800

約数和(自身を除く): 5020881

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3259, 3741, 9777, 94511, 140137, 283533, 420411, 4063973, 12191919]

約数ペア:

[(1, 12191919), (3, 4063973), (29, 420411), (43, 283533), (87, 140137), (129, 94511), (1247, 9777), (3259, 3741)]