19804826

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{769}}^1$

素因数の和:1013

約数の個数: 16

約数和(自身を含む): 30307200

約数和(自身を除く): 10502374

約数列:

[1, 2, 79, 158, 163, 326, 769, 1538, 12877, 25754, 60751, 121502, 125347, 250694, 9902413, 19804826]

約数ペア:

[(1, 19804826), (2, 9902413), (79, 250694), (158, 125347), (163, 121502), (326, 60751), (769, 25754), (1538, 12877)]