18474320

素因数分解:

$2^4\times 5^1\times {\mathrm{230929}}^1$

素因数の和:230942

約数の個数: 20

約数和(自身を含む): 42952980

約数和(自身を除く): 24478660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230929, 461858, 923716, 1154645, 1847432, 2309290, 3694864, 4618580, 9237160, 18474320]

約数ペア:

[(1, 18474320), (2, 9237160), (4, 4618580), (5, 3694864), (8, 2309290), (10, 1847432), (16, 1154645), (20, 923716), (40, 461858), (80, 230929)]