19755340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89797}}^1$

素因数の和:89817

約数の個数: 24

約数和(自身を含む): 45258192

約数和(自身を除く): 25502852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89797, 179594, 359188, 448985, 897970, 987767, 1795940, 1975534, 3951068, 4938835, 9877670, 19755340]

約数ペア:

[(1, 19755340), (2, 9877670), (4, 4938835), (5, 3951068), (10, 1975534), (11, 1795940), (20, 987767), (22, 897970), (44, 448985), (55, 359188), (110, 179594), (220, 89797)]