18475120

素因数分解:

$2^4\times 5^1\times {\mathrm{230939}}^1$

素因数の和:230952

約数の個数: 20

約数和(自身を含む): 42954840

約数和(自身を除く): 24479720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230939, 461878, 923756, 1154695, 1847512, 2309390, 3695024, 4618780, 9237560, 18475120]

約数ペア:

[(1, 18475120), (2, 9237560), (4, 4618780), (5, 3695024), (8, 2309390), (10, 1847512), (16, 1154695), (20, 923756), (40, 461878), (80, 230939)]