19813928

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{6899}}^1$

素因数の和:7264

約数の個数: 16

約数和(自身を含む): 37260000

約数和(自身を除く): 17446072

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 6899, 13798, 27596, 55192, 2476741, 4953482, 9906964, 19813928]

約数ペア:

[(1, 19813928), (2, 9906964), (4, 4953482), (8, 2476741), (359, 55192), (718, 27596), (1436, 13798), (2872, 6899)]