18422789

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3571}}^1$

素因数の和:3656

約数の個数: 16

約数和(自身を含む): 23318016

約数和(自身を除く): 4895227

約数列:

[1, 7, 11, 67, 77, 469, 737, 3571, 5159, 24997, 39281, 239257, 274967, 1674799, 2631827, 18422789]

約数ペア:

[(1, 18422789), (7, 2631827), (11, 1674799), (67, 274967), (77, 239257), (469, 39281), (737, 24997), (3571, 5159)]