18231925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 24060960

約数和(自身を除く): 5829035

約数列:

[1, 5, 19, 25, 95, 131, 293, 475, 655, 1465, 2489, 3275, 5567, 7325, 12445, 27835, 38383, 62225, 139175, 191915, 729277, 959575, 3646385, 18231925]

約数ペア:

[(1, 18231925), (5, 3646385), (19, 959575), (25, 729277), (95, 191915), (131, 139175), (293, 62225), (475, 38383), (655, 27835), (1465, 12445), (2489, 7325), (3275, 5567)]