18881824

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{45389}}^1$

素因数の和:45412

約数の個数: 24

約数和(自身を含む): 40033980

約数和(自身を除く): 21152156

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 45389, 90778, 181556, 363112, 590057, 726224, 1180114, 1452448, 2360228, 4720456, 9440912, 18881824]

約数ペア:

[(1, 18881824), (2, 9440912), (4, 4720456), (8, 2360228), (13, 1452448), (16, 1180114), (26, 726224), (32, 590057), (52, 363112), (104, 181556), (208, 90778), (416, 45389)]