18264421

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 21688576

約数和(自身を除く): 3424155

約数列:

[1, 7, 37, 97, 259, 679, 727, 3589, 5089, 25123, 26899, 70519, 188293, 493633, 2609203, 18264421]

約数ペア:

[(1, 18264421), (7, 2609203), (37, 493633), (97, 188293), (259, 70519), (679, 26899), (727, 25123), (3589, 5089)]