18873669261472

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4243181039}}^1$

素因数の和:4243181188

約数の個数: 24

約数和(自身を含む): 37424856772800

約数和(自身を除く): 18551187511328

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4243181039, 8486362078, 16972724156, 33945448312, 67890896624, 135781793248, 589802164421, 1179604328842, 2359208657684, 4718417315368, 9436834630736, 18873669261472]

約数ペア:

[(1, 18873669261472), (2, 9436834630736), (4, 4718417315368), (8, 2359208657684), (16, 1179604328842), (32, 589802164421), (139, 135781793248), (278, 67890896624), (556, 33945448312), (1112, 16972724156), (2224, 8486362078), (4448, 4243181039)]