19717065

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5279}}^1$

素因数の和:5373

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 14877495

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5279, 15837, 26395, 47511, 79185, 237555, 438157, 1314471, 2190785, 3943413, 6572355, 19717065]

約数ペア:

[(1, 19717065), (3, 6572355), (5, 3943413), (9, 2190785), (15, 1314471), (45, 438157), (83, 237555), (249, 79185), (415, 47511), (747, 26395), (1245, 15837), (3735, 5279)]