18800260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30323}}^1$

素因数の和:30363

約数の個数: 24

約数和(自身を含む): 40755456

約数和(自身を除く): 21955196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30323, 60646, 121292, 151615, 303230, 606460, 940013, 1880026, 3760052, 4700065, 9400130, 18800260]

約数ペア:

[(1, 18800260), (2, 9400130), (4, 4700065), (5, 3760052), (10, 1880026), (20, 940013), (31, 606460), (62, 303230), (124, 151615), (155, 121292), (310, 60646), (620, 30323)]