19923545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{743}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 24855552

約数和(自身を除く): 4932007

約数列:

[1, 5, 31, 155, 173, 743, 865, 3715, 5363, 23033, 26815, 115165, 128539, 642695, 3984709, 19923545]

約数ペア:

[(1, 19923545), (5, 3984709), (31, 642695), (155, 128539), (173, 115165), (743, 26815), (865, 23033), (3715, 5363)]