18817127

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 22924944

約数和(自身を除く): 4107817

約数列:

[1, 7, 37, 49, 97, 107, 259, 679, 749, 1813, 3589, 3959, 4753, 5243, 10379, 25123, 27713, 72653, 175861, 193991, 384023, 508571, 2688161, 18817127]

約数ペア:

[(1, 18817127), (7, 2688161), (37, 508571), (49, 384023), (97, 193991), (107, 175861), (259, 72653), (679, 27713), (749, 25123), (1813, 10379), (3589, 5243), (3959, 4753)]