18179091

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2857}}^1$

素因数の和:2971

約数の個数: 24

約数和(自身を含む): 30317664

約数和(自身を除く): 12138573

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 2857, 6363, 8571, 19999, 25713, 59997, 179991, 288557, 865671, 2019899, 2597013, 6059697, 18179091]

約数ペア:

[(1, 18179091), (3, 6059697), (7, 2597013), (9, 2019899), (21, 865671), (63, 288557), (101, 179991), (303, 59997), (707, 25713), (909, 19999), (2121, 8571), (2857, 6363)]