81634678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{19709}}^1$

素因数の和:19839

約数の個数: 16

約数和(自身を含む): 130086000

約数和(自身を除く): 48451322

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 19709, 39418, 374471, 748942, 2148281, 4296562, 40817339, 81634678]

約数ペア:

[(1, 81634678), (2, 40817339), (19, 4296562), (38, 2148281), (109, 748942), (218, 374471), (2071, 39418), (4142, 19709)]