18043837

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 21237760

約数和(自身を除く): 3193923

約数列:

[1, 7, 67, 79, 469, 487, 553, 3409, 5293, 32629, 37051, 38473, 228403, 269311, 2577691, 18043837]

約数ペア:

[(1, 18043837), (7, 2577691), (67, 269311), (79, 228403), (469, 38473), (487, 37051), (553, 32629), (3409, 5293)]