19387418

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:721

約数の個数: 16

約数和(自身を含む): 29534760

約数和(自身を除く): 10147342

約数列:

[1, 2, 137, 173, 274, 346, 409, 818, 23701, 47402, 56033, 70757, 112066, 141514, 9693709, 19387418]

約数ペア:

[(1, 19387418), (2, 9693709), (137, 141514), (173, 112066), (274, 70757), (346, 56033), (409, 47402), (818, 23701)]