18896545

素因数分解:

$5^1\times {\mathrm{19}}^4\times {\mathrm{29}}^1$

素因数の和:110

約数の個数: 20

約数和(自身を含む): 24760980

約数和(自身を除く): 5864435

約数列:

[1, 5, 19, 29, 95, 145, 361, 551, 1805, 2755, 6859, 10469, 34295, 52345, 130321, 198911, 651605, 994555, 3779309, 18896545]

約数ペア:

[(1, 18896545), (5, 3779309), (19, 994555), (29, 651605), (95, 198911), (145, 130321), (361, 52345), (551, 34295), (1805, 10469), (2755, 6859)]