19180473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3257}}^1$

素因数の和:3424

約数の個数: 16

約数和(自身を含む): 27732096

約数和(自身を除く): 8551623

約数列:

[1, 3, 13, 39, 151, 453, 1963, 3257, 5889, 9771, 42341, 127023, 491807, 1475421, 6393491, 19180473]

約数ペア:

[(1, 19180473), (3, 6393491), (13, 1475421), (39, 491807), (151, 127023), (453, 42341), (1963, 9771), (3257, 5889)]