388626220

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{19069}}^1$

素因数の和:20097

約数の個数: 24

約数和(自身を含む): 816958800

約数和(自身を除く): 428332580

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 5095, 10190, 19069, 20380, 38138, 76276, 95345, 190690, 381380, 19431311, 38862622, 77725244, 97156555, 194313110, 388626220]

約数ペア:

[(1, 388626220), (2, 194313110), (4, 97156555), (5, 77725244), (10, 38862622), (20, 19431311), (1019, 381380), (2038, 190690), (4076, 95345), (5095, 76276), (10190, 38138), (19069, 20380)]