19390904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{186451}}^1$

素因数の和:186470

約数の個数: 16

約数和(自身を含む): 39154920

約数和(自身を除く): 19764016

約数列:

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

約数ペア:

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