18428746

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2389}}^1$

素因数の和:2446

約数の個数: 32

約数和(自身を含む): 34416000

約数和(自身を除く): 15987254

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 2389, 3857, 4778, 7714, 16723, 33446, 45391, 69281, 90782, 138562, 317737, 484967, 635474, 969934, 1316339, 2632678, 9214373, 18428746]

約数ペア:

[(1, 18428746), (2, 9214373), (7, 2632678), (14, 1316339), (19, 969934), (29, 635474), (38, 484967), (58, 317737), (133, 138562), (203, 90782), (266, 69281), (406, 45391), (551, 33446), (1102, 16723), (2389, 7714), (3857, 4778)]