19796575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 6451745

約数列:

[1, 5, 19, 25, 71, 95, 355, 475, 587, 1349, 1775, 2935, 6745, 11153, 14675, 33725, 41677, 55765, 208385, 278825, 791863, 1041925, 3959315, 19796575]

約数ペア:

[(1, 19796575), (5, 3959315), (19, 1041925), (25, 791863), (71, 278825), (95, 208385), (355, 55765), (475, 41677), (587, 33725), (1349, 14675), (1775, 11153), (2935, 6745)]