18873974

素因数分解:

$2^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1951}}^1$

素因数の和:2651

約数の個数: 16

約数和(自身を含む): 32418816

約数和(自身を除く): 13544842

約数列:

[1, 2, 7, 14, 691, 1382, 1951, 3902, 4837, 9674, 13657, 27314, 1348141, 2696282, 9436987, 18873974]

約数ペア:

[(1, 18873974), (2, 9436987), (7, 2696282), (14, 1348141), (691, 27314), (1382, 13657), (1951, 9674), (3902, 4837)]