18690594

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239623}}^1$

素因数の和:239641

約数の個数: 16

約数和(自身を含む): 40256832

約数和(自身を除く): 21566238

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239623, 479246, 718869, 1437738, 3115099, 6230198, 9345297, 18690594]

約数ペア:

[(1, 18690594), (2, 9345297), (3, 6230198), (6, 3115099), (13, 1437738), (26, 718869), (39, 479246), (78, 239623)]