19375940

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1231}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 40774272

約数和(自身を除く): 21398332

約数列:

[1, 2, 4, 5, 10, 20, 787, 1231, 1574, 2462, 3148, 3935, 4924, 6155, 7870, 12310, 15740, 24620, 968797, 1937594, 3875188, 4843985, 9687970, 19375940]

約数ペア:

[(1, 19375940), (2, 9687970), (4, 4843985), (5, 3875188), (10, 1937594), (20, 968797), (787, 24620), (1231, 15740), (1574, 12310), (2462, 7870), (3148, 6155), (3935, 4924)]