19828233

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{4013}}^1$

素因数の和:4086

約数の個数: 20

約数和(自身を含む): 30113028

約数和(自身を除く): 10284795

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4013, 4941, 12039, 36117, 108351, 244793, 325053, 734379, 2203137, 6609411, 19828233]

約数ペア:

[(1, 19828233), (3, 6609411), (9, 2203137), (27, 734379), (61, 325053), (81, 244793), (183, 108351), (549, 36117), (1647, 12039), (4013, 4941)]