18804901580

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1\times {\mathrm{10627}}^1$

素因数の和:11598

約数の個数: 48

約数和(自身を含む): 39923869440

約数和(自身を除く): 21118967860

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 859, 1030, 1718, 2060, 3436, 4295, 8590, 10627, 17180, 21254, 42508, 53135, 88477, 106270, 176954, 212540, 353908, 442385, 884770, 1094581, 1769540, 2189162, 4378324, 5472905, 9128593, 10945810, 18257186, 21891620, 36514372, 45642965, 91285930, 182571860, 940245079, 1880490158, 3760980316, 4701225395, 9402450790, 18804901580]

約数ペア:

[(1, 18804901580), (2, 9402450790), (4, 4701225395), (5, 3760980316), (10, 1880490158), (20, 940245079), (103, 182571860), (206, 91285930), (412, 45642965), (515, 36514372), (859, 21891620), (1030, 18257186), (1718, 10945810), (2060, 9128593), (3436, 5472905), (4295, 4378324), (8590, 2189162), (10627, 1769540), (17180, 1094581), (21254, 884770), (42508, 442385), (53135, 353908), (88477, 212540), (106270, 176954)]