18294021

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 27405144

約数和(自身を除く): 9111123

約数列:

[1, 3, 9, 37, 111, 137, 333, 401, 411, 1203, 1233, 3609, 5069, 14837, 15207, 44511, 45621, 54937, 133533, 164811, 494433, 2032669, 6098007, 18294021]

約数ペア:

[(1, 18294021), (3, 6098007), (9, 2032669), (37, 494433), (111, 164811), (137, 133533), (333, 54937), (401, 45621), (411, 44511), (1203, 15207), (1233, 14837), (3609, 5069)]