18691148

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2029}}^1$

素因数の和:2094

約数の個数: 36

約数和(自身を含む): 38878560

約数和(自身を除く): 20187412

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2029, 2303, 4058, 4606, 8116, 9212, 14203, 28406, 56812, 95363, 99421, 190726, 198842, 381452, 397684, 667541, 1335082, 2670164, 4672787, 9345574, 18691148]

約数ペア:

[(1, 18691148), (2, 9345574), (4, 4672787), (7, 2670164), (14, 1335082), (28, 667541), (47, 397684), (49, 381452), (94, 198842), (98, 190726), (188, 99421), (196, 95363), (329, 56812), (658, 28406), (1316, 14203), (2029, 9212), (2303, 8116), (4058, 4606)]