18659310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1361}}^1$

素因数の和:1828

約数の個数: 32

約数和(自身を含む): 44913312

約数和(自身を除く): 26254002

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 457, 914, 1361, 1371, 2285, 2722, 2742, 4083, 4570, 6805, 6855, 8166, 13610, 13710, 20415, 40830, 621977, 1243954, 1865931, 3109885, 3731862, 6219770, 9329655, 18659310]

約数ペア:

[(1, 18659310), (2, 9329655), (3, 6219770), (5, 3731862), (6, 3109885), (10, 1865931), (15, 1243954), (30, 621977), (457, 40830), (914, 20415), (1361, 13710), (1371, 13610), (2285, 8166), (2722, 6855), (2742, 6805), (4083, 4570)]