19640803414

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{138315517}}^1$

素因数の和:138315590

約数の個数: 8

約数和(自身を含む): 29876151888

約数和(自身を除く): 10235348474

約数列:

[1, 2, 71, 142, 138315517, 276631034, 9820401707, 19640803414]

約数ペア:

[(1, 19640803414), (2, 9820401707), (71, 276631034), (142, 138315517)]