18445108580

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2054021}}^1$

素因数の和:2054479

約数の個数: 24

約数和(自身を含む): 38821015800

約数和(自身を除く): 20375907220

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 2054021, 4108042, 8216084, 10270105, 20540210, 41080420, 922255429, 1844510858, 3689021716, 4611277145, 9222554290, 18445108580]

約数ペア:

[(1, 18445108580), (2, 9222554290), (4, 4611277145), (5, 3689021716), (10, 1844510858), (20, 922255429), (449, 41080420), (898, 20540210), (1796, 10270105), (2245, 8216084), (4490, 4108042), (8980, 2054021)]