18708996860

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3329003}}^1$

素因数の和:3329293

約数の個数: 24

約数和(自身を含む): 39428723376

約数和(自身を除く): 20719726516

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 3329003, 6658006, 13316012, 16645015, 33290030, 66580060, 935449843, 1870899686, 3741799372, 4677249215, 9354498430, 18708996860]

約数ペア:

[(1, 18708996860), (2, 9354498430), (4, 4677249215), (5, 3741799372), (10, 1870899686), (20, 935449843), (281, 66580060), (562, 33290030), (1124, 16645015), (1405, 13316012), (2810, 6658006), (5620, 3329003)]