19684475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1429}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 26598000

約数和(自身を除く): 6913525

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 1429, 2755, 7145, 13775, 27151, 35725, 41441, 135755, 207205, 678775, 787379, 1036025, 3936895, 19684475]

約数ペア:

[(1, 19684475), (5, 3936895), (19, 1036025), (25, 787379), (29, 678775), (95, 207205), (145, 135755), (475, 41441), (551, 35725), (725, 27151), (1429, 13775), (2755, 7145)]