18979822

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10627}}^1$

素因数の和:10695

約数の個数: 16

約数和(自身を含む): 30608640

約数和(自身を除く): 11628818

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 10627, 21254, 201913, 403826, 499469, 998938, 9489911, 18979822]

約数ペア:

[(1, 18979822), (2, 9489911), (19, 998938), (38, 499469), (47, 403826), (94, 201913), (893, 21254), (1786, 10627)]