17691980

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5297}}^1$

素因数の和:5473

約数の個数: 24

約数和(自身を含む): 37382688

約数和(自身を除く): 19690708

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 5297, 10594, 21188, 26485, 52970, 105940, 884599, 1769198, 3538396, 4422995, 8845990, 17691980]

約数ペア:

[(1, 17691980), (2, 8845990), (4, 4422995), (5, 3538396), (10, 1769198), (20, 884599), (167, 105940), (334, 52970), (668, 26485), (835, 21188), (1670, 10594), (3340, 5297)]