19409475

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1889}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 32341680

約数和(自身を除く): 12932205

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 1889, 2055, 3425, 5667, 9445, 10275, 28335, 47225, 141675, 258793, 776379, 1293965, 3881895, 6469825, 19409475]

約数ペア:

[(1, 19409475), (3, 6469825), (5, 3881895), (15, 1293965), (25, 776379), (75, 258793), (137, 141675), (411, 47225), (685, 28335), (1889, 10275), (2055, 9445), (3425, 5667)]