18637948

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2011}}^1$

素因数の和:2353

約数の個数: 24

約数和(自身を含む): 37407104

約数和(自身を除く): 18769156

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2011, 2317, 4022, 4634, 8044, 9268, 14077, 28154, 56308, 665641, 1331282, 2662564, 4659487, 9318974, 18637948]

約数ペア:

[(1, 18637948), (2, 9318974), (4, 4659487), (7, 2662564), (14, 1331282), (28, 665641), (331, 56308), (662, 28154), (1324, 14077), (2011, 9268), (2317, 8044), (4022, 4634)]