18991884

素因数分解:

$2^2\times 3^1\times {\mathrm{787}}^1\times {\mathrm{2011}}^1$

素因数の和:2805

約数の個数: 24

約数和(自身を含む): 44392768

約数和(自身を除く): 25400884

約数列:

[1, 2, 3, 4, 6, 12, 787, 1574, 2011, 2361, 3148, 4022, 4722, 6033, 8044, 9444, 12066, 24132, 1582657, 3165314, 4747971, 6330628, 9495942, 18991884]

約数ペア:

[(1, 18991884), (2, 9495942), (3, 6330628), (4, 4747971), (6, 3165314), (12, 1582657), (787, 24132), (1574, 12066), (2011, 9444), (2361, 8044), (3148, 6033), (4022, 4722)]