18520145

素因数分解:

$5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1499}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 25488000

約数和(自身を除く): 6967855

約数列:

[1, 5, 7, 35, 353, 1499, 1765, 2471, 7495, 10493, 12355, 52465, 529147, 2645735, 3704029, 18520145]

約数ペア:

[(1, 18520145), (5, 3704029), (7, 2645735), (35, 529147), (353, 52465), (1499, 12355), (1765, 10493), (2471, 7495)]