18120418

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{4663}}^1$

素因数の和:4761

約数の個数: 16

約数和(自身を含む): 28543680

約数和(自身を除く): 10423262

約数列:

[1, 2, 29, 58, 67, 134, 1943, 3886, 4663, 9326, 135227, 270454, 312421, 624842, 9060209, 18120418]

約数ペア:

[(1, 18120418), (2, 9060209), (29, 624842), (58, 312421), (67, 270454), (134, 135227), (1943, 9326), (3886, 4663)]