19269187

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 22574592

約数和(自身を除く): 3305405

約数列:

[1, 7, 71, 137, 283, 497, 959, 1981, 9727, 20093, 38771, 68089, 140651, 271397, 2752741, 19269187]

約数ペア:

[(1, 19269187), (7, 2752741), (71, 271397), (137, 140651), (283, 68089), (497, 38771), (959, 20093), (1981, 9727)]