18258427

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 20689632

約数和(自身を除く): 2431205

約数列:

[1, 11, 37, 113, 397, 407, 1243, 4181, 4367, 14689, 44861, 45991, 161579, 493471, 1659857, 18258427]

約数ペア:

[(1, 18258427), (11, 1659857), (37, 493471), (113, 161579), (397, 45991), (407, 44861), (1243, 14689), (4181, 4367)]