1861808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8951}}^1$

素因数の和:8972

約数の個数: 20

約数和(自身を含む): 3885168

約数和(自身を除く): 2023360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8951, 17902, 35804, 71608, 116363, 143216, 232726, 465452, 930904, 1861808]

約数ペア:

[(1, 1861808), (2, 930904), (4, 465452), (8, 232726), (13, 143216), (16, 116363), (26, 71608), (52, 35804), (104, 17902), (208, 8951)]