19837725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15559}}^1$

素因数の和:15589

約数の個数: 24

約数和(自身を含む): 34729920

約数和(自身を除く): 14892195

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15559, 46677, 77795, 233385, 264503, 388975, 793509, 1166925, 1322515, 3967545, 6612575, 19837725]

約数ペア:

[(1, 19837725), (3, 6612575), (5, 3967545), (15, 1322515), (17, 1166925), (25, 793509), (51, 388975), (75, 264503), (85, 233385), (255, 77795), (425, 46677), (1275, 15559)]