19191807

素因数分解:

$3^2\times {\mathrm{113}}^2\times {\mathrm{167}}^1$

素因数の和:399

約数の個数: 18

約数和(自身を含む): 28136472

約数和(自身を除く): 8944665

約数列:

[1, 3, 9, 113, 167, 339, 501, 1017, 1503, 12769, 18871, 38307, 56613, 114921, 169839, 2132423, 6397269, 19191807]

約数ペア:

[(1, 19191807), (3, 6397269), (9, 2132423), (113, 169839), (167, 114921), (339, 56613), (501, 38307), (1017, 18871), (1503, 12769)]