18260870

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17729}}^1$

素因数の和:17839

約数の個数: 16

約数和(自身を含む): 33190560

約数和(自身を除く): 14929690

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 17729, 35458, 88645, 177290, 1826087, 3652174, 9130435, 18260870]

約数ペア:

[(1, 18260870), (2, 9130435), (5, 3652174), (10, 1826087), (103, 177290), (206, 88645), (515, 35458), (1030, 17729)]