12157891

素因数分解:

${\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{971}}^1$

素因数の和:1649

約数の個数: 8

約数和(自身を含む): 12830400

約数和(自身を除く): 672509

約数列:

[1, 19, 659, 971, 12521, 18449, 639889, 12157891]

約数ペア:

[(1, 12157891), (19, 639889), (659, 18449), (971, 12521)]