19806227

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 24023040

約数和(自身を除く): 4216813

約数列:

[1, 7, 19, 133, 137, 959, 1087, 2603, 7609, 18221, 20653, 144571, 148919, 1042433, 2829461, 19806227]

約数ペア:

[(1, 19806227), (7, 2829461), (19, 1042433), (133, 148919), (137, 144571), (959, 20653), (1087, 18221), (2603, 7609)]