18717508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2539}}^1$

素因数の和:2659

約数の個数: 24

約数和(自身を含む): 34848800

約数和(自身を除く): 16131292

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2539, 3686, 5078, 7372, 10156, 48241, 96482, 192964, 246283, 492566, 985132, 4679377, 9358754, 18717508]

約数ペア:

[(1, 18717508), (2, 9358754), (4, 4679377), (19, 985132), (38, 492566), (76, 246283), (97, 192964), (194, 96482), (388, 48241), (1843, 10156), (2539, 7372), (3686, 5078)]