18408717

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{787}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 28027584

約数和(自身を除く): 9618867

約数列:

[1, 3, 9, 23, 69, 113, 207, 339, 787, 1017, 2361, 2599, 7083, 7797, 18101, 23391, 54303, 88931, 162909, 266793, 800379, 2045413, 6136239, 18408717]

約数ペア:

[(1, 18408717), (3, 6136239), (9, 2045413), (23, 800379), (69, 266793), (113, 162909), (207, 88931), (339, 54303), (787, 23391), (1017, 18101), (2361, 7797), (2599, 7083)]