18204718

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21317}}^1$

素因数の和:21387

約数の個数: 16

約数和(自身を含む): 31721184

約数和(自身を除く): 13516466

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 21317, 42634, 149219, 298438, 1300337, 2600674, 9102359, 18204718]

約数ペア:

[(1, 18204718), (2, 9102359), (7, 2600674), (14, 1300337), (61, 298438), (122, 149219), (427, 42634), (854, 21317)]