19933725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 38584832

約数和(自身を除く): 18651107

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 883, 903, 1075, 1505, 2649, 3225, 4415, 4515, 6181, 7525, 13245, 18543, 22075, 22575, 30905, 37969, 66225, 92715, 113907, 154525, 189845, 265783, 463575, 569535, 797349, 949225, 1328915, 2847675, 3986745, 6644575, 19933725]

約数ペア:

[(1, 19933725), (3, 6644575), (5, 3986745), (7, 2847675), (15, 1328915), (21, 949225), (25, 797349), (35, 569535), (43, 463575), (75, 265783), (105, 189845), (129, 154525), (175, 113907), (215, 92715), (301, 66225), (525, 37969), (645, 30905), (883, 22575), (903, 22075), (1075, 18543), (1505, 13245), (2649, 7525), (3225, 6181), (4415, 4515)]