18688976

素因数分解:

$2^4\times {\mathrm{829}}^1\times {\mathrm{1409}}^1$

素因数の和:2246

約数の個数: 20

約数和(自身を含む): 36279300

約数和(自身を除く): 17590324

約数列:

[1, 2, 4, 8, 16, 829, 1409, 1658, 2818, 3316, 5636, 6632, 11272, 13264, 22544, 1168061, 2336122, 4672244, 9344488, 18688976]

約数ペア:

[(1, 18688976), (2, 9344488), (4, 4672244), (8, 2336122), (16, 1168061), (829, 22544), (1409, 13264), (1658, 11272), (2818, 6632), (3316, 5636)]