19447340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88397}}^1$

素因数の和:88417

約数の個数: 24

約数和(自身を含む): 44552592

約数和(自身を除く): 25105252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 88397, 176794, 353588, 441985, 883970, 972367, 1767940, 1944734, 3889468, 4861835, 9723670, 19447340]

約数ペア:

[(1, 19447340), (2, 9723670), (4, 4861835), (5, 3889468), (10, 1944734), (11, 1767940), (20, 972367), (22, 883970), (44, 441985), (55, 353588), (110, 176794), (220, 88397)]