18518948

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1571}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 37149504

約数和(自身を除く): 18630556

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1571, 1684, 2947, 3142, 5894, 6284, 10997, 11788, 21994, 43988, 661391, 1322782, 2645564, 4629737, 9259474, 18518948]

約数ペア:

[(1, 18518948), (2, 9259474), (4, 4629737), (7, 2645564), (14, 1322782), (28, 661391), (421, 43988), (842, 21994), (1571, 11788), (1684, 10997), (2947, 6284), (3142, 5894)]