19554284

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2099}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 36514800

約数和(自身を除く): 16960516

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2099, 2329, 4198, 4658, 8396, 9316, 35683, 71366, 142732, 287563, 575126, 1150252, 4888571, 9777142, 19554284]

約数ペア:

[(1, 19554284), (2, 9777142), (4, 4888571), (17, 1150252), (34, 575126), (68, 287563), (137, 142732), (274, 71366), (548, 35683), (2099, 9316), (2329, 8396), (4198, 4658)]