19896536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{727}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 40884480

約数和(自身を除く): 20987944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 311, 622, 727, 1244, 1454, 2488, 2908, 3421, 5816, 6842, 7997, 13684, 15994, 27368, 31988, 63976, 226097, 452194, 904388, 1808776, 2487067, 4974134, 9948268, 19896536]

約数ペア:

[(1, 19896536), (2, 9948268), (4, 4974134), (8, 2487067), (11, 1808776), (22, 904388), (44, 452194), (88, 226097), (311, 63976), (622, 31988), (727, 27368), (1244, 15994), (1454, 13684), (2488, 7997), (2908, 6842), (3421, 5816)]