18478850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28429}}^1$

素因数の和:28454

約数の個数: 24

約数和(自身を含む): 37015860

約数和(自身を除く): 18537010

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28429, 56858, 142145, 284290, 369577, 710725, 739154, 1421450, 1847885, 3695770, 9239425, 18478850]

約数ペア:

[(1, 18478850), (2, 9239425), (5, 3695770), (10, 1847885), (13, 1421450), (25, 739154), (26, 710725), (50, 369577), (65, 284290), (130, 142145), (325, 56858), (650, 28429)]