18894916

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 33729696

約数和(自身を除く): 14834780

約数列:

[1, 2, 4, 107, 131, 214, 262, 337, 428, 524, 674, 1348, 14017, 28034, 36059, 44147, 56068, 72118, 88294, 144236, 176588, 4723729, 9447458, 18894916]

約数ペア:

[(1, 18894916), (2, 9447458), (4, 4723729), (107, 176588), (131, 144236), (214, 88294), (262, 72118), (337, 56068), (428, 44147), (524, 36059), (674, 28034), (1348, 14017)]