18998651

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{677}}^1$

素因数の和:914

約数の個数: 16

約数和(自身を含む): 22997760

約数和(自身を除く): 3999109

約数列:

[1, 7, 19, 133, 211, 677, 1477, 4009, 4739, 12863, 28063, 90041, 142847, 999929, 2714093, 18998651]

約数ペア:

[(1, 18998651), (7, 2714093), (19, 999929), (133, 142847), (211, 90041), (677, 28063), (1477, 12863), (4009, 4739)]