19018465

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 23614416

約数和(自身を除く): 4595951

約数列:

[1, 5, 41, 113, 205, 565, 821, 4105, 4633, 23165, 33661, 92773, 168305, 463865, 3803693, 19018465]

約数ペア:

[(1, 19018465), (5, 3803693), (41, 463865), (113, 168305), (205, 92773), (565, 33661), (821, 23165), (4105, 4633)]