19391696

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71293}}^1$

素因数の和:71318

約数の個数: 20

約数和(自身を含む): 39782052

約数和(自身を除く): 20390356

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71293, 142586, 285172, 570344, 1140688, 1211981, 2423962, 4847924, 9695848, 19391696]

約数ペア:

[(1, 19391696), (2, 9695848), (4, 4847924), (8, 2423962), (16, 1211981), (17, 1140688), (34, 570344), (68, 285172), (136, 142586), (272, 71293)]