19705705

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 24431040

約数和(自身を除く): 4725335

約数列:

[1, 5, 59, 67, 295, 335, 997, 3953, 4985, 19765, 58823, 66799, 294115, 333995, 3941141, 19705705]

約数ペア:

[(1, 19705705), (5, 3941141), (59, 333995), (67, 294115), (295, 66799), (335, 58823), (997, 19765), (3953, 4985)]