218883940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{994927}}^1$

素因数の和:994947

約数の個数: 24

約数和(自身を含む): 501443712

約数和(自身を除く): 282559772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 994927, 1989854, 3979708, 4974635, 9949270, 10944197, 19898540, 21888394, 43776788, 54720985, 109441970, 218883940]

約数ペア:

[(1, 218883940), (2, 109441970), (4, 54720985), (5, 43776788), (10, 21888394), (11, 19898540), (20, 10944197), (22, 9949270), (44, 4974635), (55, 3979708), (110, 1989854), (220, 994927)]