19919585

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6857}}^1$

素因数の和:6952

約数の個数: 16

約数和(自身を含む): 27651456

約数和(自身を除く): 7731871

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 6857, 34285, 47999, 239995, 569131, 2845655, 3983917, 19919585]

約数ペア:

[(1, 19919585), (5, 3983917), (7, 2845655), (35, 569131), (83, 239995), (415, 47999), (581, 34285), (2905, 6857)]