18740394

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{2473}}^1$

素因数の和:2902

約数の個数: 24

約数和(自身を含む): 40717092

約数和(自身を除く): 21976698

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2473, 2526, 3789, 4946, 7419, 7578, 14838, 22257, 44514, 1041133, 2082266, 3123399, 6246798, 9370197, 18740394]

約数ペア:

[(1, 18740394), (2, 9370197), (3, 6246798), (6, 3123399), (9, 2082266), (18, 1041133), (421, 44514), (842, 22257), (1263, 14838), (2473, 7578), (2526, 7419), (3789, 4946)]