18430328

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{829}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 39640800

約数和(自身を除く): 21210472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 829, 1588, 1658, 2779, 3176, 3316, 5558, 5803, 6632, 11116, 11606, 22232, 23212, 46424, 329113, 658226, 1316452, 2303791, 2632904, 4607582, 9215164, 18430328]

約数ペア:

[(1, 18430328), (2, 9215164), (4, 4607582), (7, 2632904), (8, 2303791), (14, 1316452), (28, 658226), (56, 329113), (397, 46424), (794, 23212), (829, 22232), (1588, 11606), (1658, 11116), (2779, 6632), (3176, 5803), (3316, 5558)]