19721570354

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1\times {\mathrm{187871}}^1$

素因数の和:188665

約数の個数: 16

約数和(自身を含む): 30029460480

約数和(自身を除く): 10307890126

約数列:

[1, 2, 73, 146, 719, 1438, 52487, 104974, 187871, 375742, 13714583, 27429166, 135079249, 270158498, 9860785177, 19721570354]

約数ペア:

[(1, 19721570354), (2, 9860785177), (73, 270158498), (146, 135079249), (719, 27429166), (1438, 13714583), (52487, 375742), (104974, 187871)]