18268405

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 24003000

約数和(自身を除く): 5734595

約数列:

[1, 5, 19, 29, 95, 145, 349, 361, 551, 1745, 1805, 2755, 6631, 10121, 10469, 33155, 50605, 52345, 125989, 192299, 629945, 961495, 3653681, 18268405]

約数ペア:

[(1, 18268405), (5, 3653681), (19, 961495), (29, 629945), (95, 192299), (145, 125989), (349, 52345), (361, 50605), (551, 33155), (1745, 10469), (1805, 10121), (2755, 6631)]