19761740

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2347}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 41615952

約数和(自身を除く): 21854212

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2347, 4210, 4694, 8420, 9388, 11735, 23470, 46940, 988087, 1976174, 3952348, 4940435, 9880870, 19761740]

約数ペア:

[(1, 19761740), (2, 9880870), (4, 4940435), (5, 3952348), (10, 1976174), (20, 988087), (421, 46940), (842, 23470), (1684, 11735), (2105, 9388), (2347, 8420), (4210, 4694)]