19729886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{16921}}^1$

素因数の和:16987

約数の個数: 16

約数和(自身を含む): 32896368

約数和(自身を除く): 13166482

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 16921, 33842, 186131, 372262, 896813, 1793626, 9864943, 19729886]

約数ペア:

[(1, 19729886), (2, 9864943), (11, 1793626), (22, 896813), (53, 372262), (106, 186131), (583, 33842), (1166, 16921)]