19884748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8893}}^1$

素因数の和:8953

約数の個数: 24

約数和(自身を含む): 38350928

約数和(自身を除く): 18466180

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 8893, 17786, 35572, 115609, 231218, 382399, 462436, 764798, 1529596, 4971187, 9942374, 19884748]

約数ペア:

[(1, 19884748), (2, 9942374), (4, 4971187), (13, 1529596), (26, 764798), (43, 462436), (52, 382399), (86, 231218), (172, 115609), (559, 35572), (1118, 17786), (2236, 8893)]