18245860

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4091}}^1$

素因数の和:4323

約数の個数: 24

約数和(自身を含む): 38497536

約数和(自身を除く): 20251676

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4091, 4460, 8182, 16364, 20455, 40910, 81820, 912293, 1824586, 3649172, 4561465, 9122930, 18245860]

約数ペア:

[(1, 18245860), (2, 9122930), (4, 4561465), (5, 3649172), (10, 1824586), (20, 912293), (223, 81820), (446, 40910), (892, 20455), (1115, 16364), (2230, 8182), (4091, 4460)]