19528727185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{49639}}^1$

素因数の和:49989

約数の個数: 32

約数和(自身を含む): 26762711040

約数和(自身を除く): 7233983855

約数列:

[1, 5, 11, 23, 55, 115, 253, 311, 1265, 1555, 3421, 7153, 17105, 35765, 49639, 78683, 248195, 393415, 546029, 1141697, 2730145, 5708485, 12558667, 15437729, 62793335, 77188645, 169815019, 355067767, 849075095, 1775338835, 3905745437, 19528727185]

約数ペア:

[(1, 19528727185), (5, 3905745437), (11, 1775338835), (23, 849075095), (55, 355067767), (115, 169815019), (253, 77188645), (311, 62793335), (1265, 15437729), (1555, 12558667), (3421, 5708485), (7153, 2730145), (17105, 1141697), (35765, 546029), (49639, 393415), (78683, 248195)]