18788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:83

約数の個数: 24

約数和(自身を含む): 41664

約数和(自身を除く): 22876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1342, 1708, 2684, 4697, 9394, 18788]

約数ペア:

[(1, 18788), (2, 9394), (4, 4697), (7, 2684), (11, 1708), (14, 1342), (22, 854), (28, 671), (44, 427), (61, 308), (77, 244), (122, 154)]