18973730

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{28319}}^1$

素因数の和:28393

約数の個数: 16

約数和(自身を含む): 34663680

約数和(自身を除く): 15689950

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 28319, 56638, 141595, 283190, 1897373, 3794746, 9486865, 18973730]

約数ペア:

[(1, 18973730), (2, 9486865), (5, 3794746), (10, 1897373), (67, 283190), (134, 141595), (335, 56638), (670, 28319)]