18426040

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1663}}^1$

素因数の和:1951

約数の個数: 32

約数和(自身を含む): 41633280

約数和(自身を除く): 23207240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 1663, 2216, 2770, 3326, 5540, 6652, 8315, 11080, 13304, 16630, 33260, 66520, 460651, 921302, 1842604, 2303255, 3685208, 4606510, 9213020, 18426040]

約数ペア:

[(1, 18426040), (2, 9213020), (4, 4606510), (5, 3685208), (8, 2303255), (10, 1842604), (20, 921302), (40, 460651), (277, 66520), (554, 33260), (1108, 16630), (1385, 13304), (1663, 11080), (2216, 8315), (2770, 6652), (3326, 5540)]