18621370

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 34369920

約数和(自身を除く): 15748550

約数列:

[1, 2, 5, 10, 101, 103, 179, 202, 206, 358, 505, 515, 895, 1010, 1030, 1790, 10403, 18079, 18437, 20806, 36158, 36874, 52015, 90395, 92185, 104030, 180790, 184370, 1862137, 3724274, 9310685, 18621370]

約数ペア:

[(1, 18621370), (2, 9310685), (5, 3724274), (10, 1862137), (101, 184370), (103, 180790), (179, 104030), (202, 92185), (206, 90395), (358, 52015), (505, 36874), (515, 36158), (895, 20806), (1010, 18437), (1030, 18079), (1790, 10403)]