19681786

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{769}}^1$

素因数の和:1029

約数の個数: 16

約数和(自身を含む): 30159360

約数和(自身を除く): 10477574

約数列:

[1, 2, 67, 134, 191, 382, 769, 1538, 12797, 25594, 51523, 103046, 146879, 293758, 9840893, 19681786]

約数ペア:

[(1, 19681786), (2, 9840893), (67, 293758), (134, 146879), (191, 103046), (382, 51523), (769, 25594), (1538, 12797)]