18547172

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10859}}^1$

素因数の和:10931

約数の個数: 24

約数和(自身を含む): 37705920

約数和(自身を除く): 19158748

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 10859, 21718, 43436, 76013, 152026, 304052, 662399, 1324798, 2649596, 4636793, 9273586, 18547172]

約数ペア:

[(1, 18547172), (2, 9273586), (4, 4636793), (7, 2649596), (14, 1324798), (28, 662399), (61, 304052), (122, 152026), (244, 76013), (427, 43436), (854, 21718), (1708, 10859)]