18279896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 36501840

約数和(自身を除く): 18221944

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 257, 514, 523, 1028, 1046, 2056, 2092, 4184, 4369, 8738, 8891, 17476, 17782, 34952, 35564, 71128, 134411, 268822, 537644, 1075288, 2284987, 4569974, 9139948, 18279896]

約数ペア:

[(1, 18279896), (2, 9139948), (4, 4569974), (8, 2284987), (17, 1075288), (34, 537644), (68, 268822), (136, 134411), (257, 71128), (514, 35564), (523, 34952), (1028, 17782), (1046, 17476), (2056, 8891), (2092, 8738), (4184, 4369)]