1908255025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{211441}}^1$

素因数の和:211489

約数の個数: 18

約数和(自身を含む): 2497341462

約数和(自身を除く): 589086437

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 211441, 1057205, 4017379, 5286025, 20086895, 76330201, 100434475, 381651005, 1908255025]

約数ペア:

[(1, 1908255025), (5, 381651005), (19, 100434475), (25, 76330201), (95, 20086895), (361, 5286025), (475, 4017379), (1805, 1057205), (9025, 211441)]