19005625

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 20

約数和(自身を含む): 24292224

約数和(自身を除く): 5286599

約数列:

[1, 5, 25, 47, 125, 235, 625, 647, 1175, 3235, 5875, 16175, 29375, 30409, 80875, 152045, 404375, 760225, 3801125, 19005625]

約数ペア:

[(1, 19005625), (5, 3801125), (25, 760225), (47, 404375), (125, 152045), (235, 80875), (625, 30409), (647, 29375), (1175, 16175), (3235, 5875)]