19418545

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{853}}^1$

素因数の和:1044

約数の個数: 16

約数和(自身を含む): 24287760

約数和(自身を除く): 4869215

約数列:

[1, 5, 29, 145, 157, 785, 853, 4265, 4553, 22765, 24737, 123685, 133921, 669605, 3883709, 19418545]

約数ペア:

[(1, 19418545), (5, 3883709), (29, 669605), (145, 133921), (157, 123685), (785, 24737), (853, 22765), (4265, 4553)]