18937478

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10651}}^1$

素因数の和:10787

約数の個数: 16

約数和(自身を含む): 32722944

約数和(自身を除く): 13785466

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 10651, 21302, 74557, 149114, 1352677, 2705354, 9468739, 18937478]

約数ペア:

[(1, 18937478), (2, 9468739), (7, 2705354), (14, 1352677), (127, 149114), (254, 74557), (889, 21302), (1778, 10651)]