18187994

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{4421}}^1$

素因数の和:4462

約数の個数: 24

約数和(自身を含む): 31758804

約数和(自身を除く): 13570810

約数列:

[1, 2, 11, 17, 22, 34, 121, 187, 242, 374, 2057, 4114, 4421, 8842, 48631, 75157, 97262, 150314, 534941, 826727, 1069882, 1653454, 9093997, 18187994]

約数ペア:

[(1, 18187994), (2, 9093997), (11, 1653454), (17, 1069882), (22, 826727), (34, 534941), (121, 150314), (187, 97262), (242, 75157), (374, 48631), (2057, 8842), (4114, 4421)]