18881486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1811}}^1$

素因数の和:2227

約数の個数: 16

約数和(自身を含む): 30593808

約数和(自身を除く): 11712322

約数列:

[1, 2, 13, 26, 401, 802, 1811, 3622, 5213, 10426, 23543, 47086, 726211, 1452422, 9440743, 18881486]

約数ペア:

[(1, 18881486), (2, 9440743), (13, 1452422), (26, 726211), (401, 47086), (802, 23543), (1811, 10426), (3622, 5213)]