18208215

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1693}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 13503465

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 1693, 2151, 3585, 5079, 8465, 10755, 15237, 25395, 76185, 404627, 1213881, 2023135, 3641643, 6069405, 18208215]

約数ペア:

[(1, 18208215), (3, 6069405), (5, 3641643), (9, 2023135), (15, 1213881), (45, 404627), (239, 76185), (717, 25395), (1195, 15237), (1693, 10755), (2151, 8465), (3585, 5079)]