18941985

素因数分解:

$3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{727}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 33895680

約数和(自身を除く): 14953695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 193, 579, 727, 965, 1737, 2181, 2895, 3635, 5211, 6543, 8685, 10905, 19629, 26055, 32715, 98145, 140311, 420933, 701555, 1262799, 2104665, 3788397, 6313995, 18941985]

約数ペア:

[(1, 18941985), (3, 6313995), (5, 3788397), (9, 2104665), (15, 1262799), (27, 701555), (45, 420933), (135, 140311), (193, 98145), (579, 32715), (727, 26055), (965, 19629), (1737, 10905), (2181, 8685), (2895, 6543), (3635, 5211)]