19803026

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{823}}^1$

素因数の和:1105

約数の個数: 16

約数和(自身を含む): 30435264

約数和(自身を除く): 10632238

約数列:

[1, 2, 53, 106, 227, 454, 823, 1646, 12031, 24062, 43619, 87238, 186821, 373642, 9901513, 19803026]

約数ペア:

[(1, 19803026), (2, 9901513), (53, 373642), (106, 186821), (227, 87238), (454, 43619), (823, 24062), (1646, 12031)]