19718558

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{3373}}^1$

素因数の和:3491

約数の個数: 16

約数和(自身を含む): 30770880

約数和(自身を除く): 11052322

約数列:

[1, 2, 37, 74, 79, 158, 2923, 3373, 5846, 6746, 124801, 249602, 266467, 532934, 9859279, 19718558]

約数ペア:

[(1, 19718558), (2, 9859279), (37, 532934), (74, 266467), (79, 249602), (158, 124801), (2923, 6746), (3373, 5846)]