18827540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30367}}^1$

素因数の和:30407

約数の個数: 24

約数和(自身を含む): 40814592

約数和(自身を除く): 21987052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30367, 60734, 121468, 151835, 303670, 607340, 941377, 1882754, 3765508, 4706885, 9413770, 18827540]

約数ペア:

[(1, 18827540), (2, 9413770), (4, 4706885), (5, 3765508), (10, 1882754), (20, 941377), (31, 607340), (62, 303670), (124, 151835), (155, 121468), (310, 60734), (620, 30367)]