18308060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12893}}^1$

素因数の和:12973

約数の個数: 24

約数和(自身を含む): 38991456

約数和(自身を除く): 20683396

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 12893, 25786, 51572, 64465, 128930, 257860, 915403, 1830806, 3661612, 4577015, 9154030, 18308060]

約数ペア:

[(1, 18308060), (2, 9154030), (4, 4577015), (5, 3661612), (10, 1830806), (20, 915403), (71, 257860), (142, 128930), (284, 64465), (355, 51572), (710, 25786), (1420, 12893)]