15955516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1409}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 29610000

約数和(自身を除く): 13654484

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1409, 2818, 2831, 5636, 5662, 11324, 26771, 53542, 107084, 209941, 419882, 839764, 3988879, 7977758, 15955516]

約数ペア:

[(1, 15955516), (2, 7977758), (4, 3988879), (19, 839764), (38, 419882), (76, 209941), (149, 107084), (298, 53542), (596, 26771), (1409, 11324), (2818, 5662), (2831, 5636)]