19927596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 50489600

約数和(自身を除く): 30562004

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 278, 417, 556, 834, 919, 1668, 1807, 1838, 2757, 3614, 3676, 5421, 5514, 7228, 10842, 11028, 11947, 21684, 23894, 35841, 47788, 71682, 127741, 143364, 255482, 383223, 510964, 766446, 1532892, 1660633, 3321266, 4981899, 6642532, 9963798, 19927596]

約数ペア:

[(1, 19927596), (2, 9963798), (3, 6642532), (4, 4981899), (6, 3321266), (12, 1660633), (13, 1532892), (26, 766446), (39, 510964), (52, 383223), (78, 255482), (139, 143364), (156, 127741), (278, 71682), (417, 47788), (556, 35841), (834, 23894), (919, 21684), (1668, 11947), (1807, 11028), (1838, 10842), (2757, 7228), (3614, 5514), (3676, 5421)]