19641159

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 29502720

約数和(自身を除く): 9861561

約数列:

[1, 3, 9, 47, 59, 141, 177, 423, 531, 787, 2361, 2773, 7083, 8319, 24957, 36989, 46433, 110967, 139299, 332901, 417897, 2182351, 6547053, 19641159]

約数ペア:

[(1, 19641159), (3, 6547053), (9, 2182351), (47, 417897), (59, 332901), (141, 139299), (177, 110967), (423, 46433), (531, 36989), (787, 24957), (2361, 8319), (2773, 7083)]