18243112

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{20921}}^1$

素因数の和:21036

約数の個数: 16

約数和(自身を含む): 34521300

約数和(自身を除く): 16278188

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 20921, 41842, 83684, 167368, 2280389, 4560778, 9121556, 18243112]

約数ペア:

[(1, 18243112), (2, 9121556), (4, 4560778), (8, 2280389), (109, 167368), (218, 83684), (436, 41842), (872, 20921)]