19695790

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2399}}^1$

素因数の和:3227

約数の個数: 16

約数和(自身を含む): 35510400

約数和(自身を除く): 15814610

約数列:

[1, 2, 5, 10, 821, 1642, 2399, 4105, 4798, 8210, 11995, 23990, 1969579, 3939158, 9847895, 19695790]

約数ペア:

[(1, 19695790), (2, 9847895), (5, 3939158), (10, 1969579), (821, 23990), (1642, 11995), (2399, 8210), (4105, 4798)]