18769010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{409}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 36575280

約数和(自身を除く): 17806270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 353, 409, 706, 818, 1765, 2045, 3530, 4090, 4589, 5317, 9178, 10634, 22945, 26585, 45890, 53170, 144377, 288754, 721885, 1443770, 1876901, 3753802, 9384505, 18769010]

約数ペア:

[(1, 18769010), (2, 9384505), (5, 3753802), (10, 1876901), (13, 1443770), (26, 721885), (65, 288754), (130, 144377), (353, 53170), (409, 45890), (706, 26585), (818, 22945), (1765, 10634), (2045, 9178), (3530, 5317), (4090, 4589)]