18569240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4259}}^1$

素因数の和:4379

約数の個数: 32

約数和(自身を含む): 42174000

約数和(自身を除く): 23604760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4259, 4360, 8518, 17036, 21295, 34072, 42590, 85180, 170360, 464231, 928462, 1856924, 2321155, 3713848, 4642310, 9284620, 18569240]

約数ペア:

[(1, 18569240), (2, 9284620), (4, 4642310), (5, 3713848), (8, 2321155), (10, 1856924), (20, 928462), (40, 464231), (109, 170360), (218, 85180), (436, 42590), (545, 34072), (872, 21295), (1090, 17036), (2180, 8518), (4259, 4360)]