18085790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 34712064

約数和(自身を除く): 16626274

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 382, 557, 955, 1114, 1910, 2785, 3247, 5570, 6494, 9469, 16235, 18938, 32470, 47345, 94690, 106387, 212774, 531935, 1063870, 1808579, 3617158, 9042895, 18085790]

約数ペア:

[(1, 18085790), (2, 9042895), (5, 3617158), (10, 1808579), (17, 1063870), (34, 531935), (85, 212774), (170, 106387), (191, 94690), (382, 47345), (557, 32470), (955, 18938), (1114, 16235), (1910, 9469), (2785, 6494), (3247, 5570)]