18284020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6673}}^1$

素因数の和:6819

約数の個数: 24

約数和(自身を含む): 38682504

約数和(自身を除く): 20398484

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 6673, 13346, 26692, 33365, 66730, 133460, 914201, 1828402, 3656804, 4571005, 9142010, 18284020]

約数ペア:

[(1, 18284020), (2, 9142010), (4, 4571005), (5, 3656804), (10, 1828402), (20, 914201), (137, 133460), (274, 66730), (548, 33365), (685, 26692), (1370, 13346), (2740, 6673)]