18811638

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{13229}}^1$

素因数の和:13316

約数の個数: 24

約数和(自身を含む): 41277600

約数和(自身を除く): 22465962

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 13229, 26458, 39687, 79374, 119061, 238122, 1045091, 2090182, 3135273, 6270546, 9405819, 18811638]

約数ペア:

[(1, 18811638), (2, 9405819), (3, 6270546), (6, 3135273), (9, 2090182), (18, 1045091), (79, 238122), (158, 119061), (237, 79374), (474, 39687), (711, 26458), (1422, 13229)]