19748974

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3449}}^1$

素因数の和:3867

約数の個数: 16

約数和(自身を含む): 33948000

約数和(自身を除く): 14199026

約数列:

[1, 2, 7, 14, 409, 818, 2863, 3449, 5726, 6898, 24143, 48286, 1410641, 2821282, 9874487, 19748974]

約数ペア:

[(1, 19748974), (2, 9874487), (7, 2821282), (14, 1410641), (409, 48286), (818, 24143), (2863, 6898), (3449, 5726)]