38781808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{186451}}^1$

素因数の和:186472

約数の個数: 20

約数和(自身を含む): 80920168

約数和(自身を除く): 42138360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 186451, 372902, 745804, 1491608, 2423863, 2983216, 4847726, 9695452, 19390904, 38781808]

約数ペア:

[(1, 38781808), (2, 19390904), (4, 9695452), (8, 4847726), (13, 2983216), (16, 2423863), (26, 1491608), (52, 745804), (104, 372902), (208, 186451)]