19809556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22409}}^1$

素因数の和:22443

約数の個数: 24

約数和(自身を含む): 39531240

約数和(自身を除く): 19721684

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 22409, 44818, 89636, 291317, 380953, 582634, 761906, 1165268, 1523812, 4952389, 9904778, 19809556]

約数ペア:

[(1, 19809556), (2, 9904778), (4, 4952389), (13, 1523812), (17, 1165268), (26, 761906), (34, 582634), (52, 380953), (68, 291317), (221, 89636), (442, 44818), (884, 22409)]