18155764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{919}}^1$

素因数の和:1383

約数の個数: 24

約数和(自身を含む): 34776000

約数和(自身を除く): 16620236

約数列:

[1, 2, 4, 11, 22, 44, 449, 898, 919, 1796, 1838, 3676, 4939, 9878, 10109, 19756, 20218, 40436, 412631, 825262, 1650524, 4538941, 9077882, 18155764]

約数ペア:

[(1, 18155764), (2, 9077882), (4, 4538941), (11, 1650524), (22, 825262), (44, 412631), (449, 40436), (898, 20218), (919, 19756), (1796, 10109), (1838, 9878), (3676, 4939)]