19499605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2473}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 24937920

約数和(自身を除く): 5438315

約数列:

[1, 5, 19, 83, 95, 415, 1577, 2473, 7885, 12365, 46987, 205259, 234935, 1026295, 3899921, 19499605]

約数ペア:

[(1, 19499605), (5, 3899921), (19, 1026295), (83, 234935), (95, 205259), (415, 46987), (1577, 12365), (2473, 7885)]