19423737

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{977}}^1$

素因数の和:1077

約数の個数: 18

約数和(自身を含む): 28695498

約数和(自身を除く): 9271761

約数列:

[1, 3, 9, 47, 141, 423, 977, 2209, 2931, 6627, 8793, 19881, 45919, 137757, 413271, 2158193, 6474579, 19423737]

約数ペア:

[(1, 19423737), (3, 6474579), (9, 2158193), (47, 413271), (141, 137757), (423, 45919), (977, 19881), (2209, 8793), (2931, 6627)]