19739807

素因数分解:

${\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:310

約数の個数: 16

約数和(自身を含む): 21168000

約数和(自身を除く): 1428193

約数列:

[1, 29, 59, 83, 139, 1711, 2407, 4031, 4897, 8201, 11537, 142013, 237829, 334573, 680683, 19739807]

約数ペア:

[(1, 19739807), (29, 680683), (59, 334573), (83, 237829), (139, 142013), (1711, 11537), (2407, 8201), (4031, 4897)]