18442890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{22769}}^1$

素因数の和:22788

約数の個数: 40

約数和(自身を含む): 49593060

約数和(自身を除く): 31150170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 22769, 45538, 68307, 113845, 136614, 204921, 227690, 341535, 409842, 614763, 683070, 1024605, 1229526, 1844289, 2049210, 3073815, 3688578, 6147630, 9221445, 18442890]

約数ペア:

[(1, 18442890), (2, 9221445), (3, 6147630), (5, 3688578), (6, 3073815), (9, 2049210), (10, 1844289), (15, 1229526), (18, 1024605), (27, 683070), (30, 614763), (45, 409842), (54, 341535), (81, 227690), (90, 204921), (135, 136614), (162, 113845), (270, 68307), (405, 45538), (810, 22769)]