19902836306

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{977}}^1\times {\mathrm{64877}}^1$

素因数の和:66013

約数の個数: 16

約数和(自身を含む): 30075624216

約数和(自身を除く): 10172787910

約数列:

[1, 2, 157, 314, 977, 1954, 64877, 129754, 153389, 306778, 10185689, 20371378, 63384829, 126769658, 9951418153, 19902836306]

約数ペア:

[(1, 19902836306), (2, 9951418153), (157, 126769658), (314, 63384829), (977, 20371378), (1954, 10185689), (64877, 306778), (129754, 153389)]