18828513

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8269}}^1$

素因数の和:8309

約数の個数: 24

約数和(自身を含む): 30962880

約数和(自身を除く): 12134367

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 8269, 24807, 74421, 90959, 190187, 272877, 570561, 818631, 1711683, 2092057, 6276171, 18828513]

約数ペア:

[(1, 18828513), (3, 6276171), (9, 2092057), (11, 1711683), (23, 818631), (33, 570561), (69, 272877), (99, 190187), (207, 90959), (253, 74421), (759, 24807), (2277, 8269)]