19369540

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2791}}^1$

素因数の和:3147

約数の個数: 24

約数和(自身を含む): 40807872

約数和(自身を除く): 21438332

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2791, 3470, 5582, 6940, 11164, 13955, 27910, 55820, 968477, 1936954, 3873908, 4842385, 9684770, 19369540]

約数ペア:

[(1, 19369540), (2, 9684770), (4, 4842385), (5, 3873908), (10, 1936954), (20, 968477), (347, 55820), (694, 27910), (1388, 13955), (1735, 11164), (2791, 6940), (3470, 5582)]