19962615

素因数分解:

$3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1621}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 31998816

約数和(自身を除く): 12036201

約数列:

[1, 3, 5, 15, 821, 1621, 2463, 4105, 4863, 8105, 12315, 24315, 1330841, 3992523, 6654205, 19962615]

約数ペア:

[(1, 19962615), (3, 6654205), (5, 3992523), (15, 1330841), (821, 24315), (1621, 12315), (2463, 8105), (4105, 4863)]