18005884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4877}}^1$

素因数の和:4965

約数の個数: 24

約数和(自身を含む): 34419168

約数和(自身を除く): 16413284

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 4877, 9754, 19508, 63401, 126802, 253604, 346267, 692534, 1385068, 4501471, 9002942, 18005884]

約数ペア:

[(1, 18005884), (2, 9002942), (4, 4501471), (13, 1385068), (26, 692534), (52, 346267), (71, 253604), (142, 126802), (284, 63401), (923, 19508), (1846, 9754), (3692, 4877)]