18723998

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{2843}}^1$

素因数の和:2971

約数の個数: 16

約数和(自身を含む): 29179440

約数和(自身を除く): 10455442

約数列:

[1, 2, 37, 74, 89, 178, 2843, 3293, 5686, 6586, 105191, 210382, 253027, 506054, 9361999, 18723998]

約数ペア:

[(1, 18723998), (2, 9361999), (37, 506054), (74, 253027), (89, 210382), (178, 105191), (2843, 6586), (3293, 5686)]