20191818

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197959}}^1$

素因数の和:197981

約数の個数: 16

約数和(自身を含む): 42759360

約数和(自身を除く): 22567542

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 197959, 395918, 593877, 1187754, 3365303, 6730606, 10095909, 20191818]

約数ペア:

[(1, 20191818), (2, 10095909), (3, 6730606), (6, 3365303), (17, 1187754), (34, 593877), (51, 395918), (102, 197959)]