19361740

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{997}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 40742352

約数和(自身を除く): 21380612

約数列:

[1, 2, 4, 5, 10, 20, 971, 997, 1942, 1994, 3884, 3988, 4855, 4985, 9710, 9970, 19420, 19940, 968087, 1936174, 3872348, 4840435, 9680870, 19361740]

約数ペア:

[(1, 19361740), (2, 9680870), (4, 4840435), (5, 3872348), (10, 1936174), (20, 968087), (971, 19940), (997, 19420), (1942, 9970), (1994, 9710), (3884, 4985), (3988, 4855)]