18992967

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4591}}^1$

素因数の和:4798

約数の個数: 16

約数和(自身を含む): 29094912

約数和(自身を除く): 10101945

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 4591, 13773, 32137, 96411, 904427, 2713281, 6330989, 18992967]

約数ペア:

[(1, 18992967), (3, 6330989), (7, 2713281), (21, 904427), (197, 96411), (591, 32137), (1379, 13773), (4137, 4591)]