20138420872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{132489611}}^1$

素因数の和:132489636

約数の個数: 16

約数和(自身を含む): 39746883600

約数和(自身を除く): 19608462728

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 132489611, 264979222, 529958444, 1059916888, 2517302609, 5034605218, 10069210436, 20138420872]

約数ペア:

[(1, 20138420872), (2, 10069210436), (4, 5034605218), (8, 2517302609), (19, 1059916888), (38, 529958444), (76, 264979222), (152, 132489611)]