18900856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181739}}^1$

素因数の和:181758

約数の個数: 16

約数和(自身を含む): 38165400

約数和(自身を除く): 19264544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181739, 363478, 726956, 1453912, 2362607, 4725214, 9450428, 18900856]

約数ペア:

[(1, 18900856), (2, 9450428), (4, 4725214), (8, 2362607), (13, 1453912), (26, 726956), (52, 363478), (104, 181739)]