18305815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 7614185

約数列:

[1, 5, 11, 23, 29, 55, 115, 145, 253, 319, 499, 667, 1265, 1595, 2495, 3335, 5489, 7337, 11477, 14471, 27445, 36685, 57385, 72355, 126247, 159181, 332833, 631235, 795905, 1664165, 3661163, 18305815]

約数ペア:

[(1, 18305815), (5, 3661163), (11, 1664165), (23, 795905), (29, 631235), (55, 332833), (115, 159181), (145, 126247), (253, 72355), (319, 57385), (499, 36685), (667, 27445), (1265, 14471), (1595, 11477), (2495, 7337), (3335, 5489)]