18142090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44249}}^1$

素因数の和:44297

約数の個数: 16

約数和(自身を含む): 33453000

約数和(自身を除く): 15310910

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 44249, 88498, 221245, 442490, 1814209, 3628418, 9071045, 18142090]

約数ペア:

[(1, 18142090), (2, 9071045), (5, 3628418), (10, 1814209), (41, 442490), (82, 221245), (205, 88498), (410, 44249)]