19049394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 28366926

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 139, 182, 251, 273, 278, 417, 502, 546, 753, 834, 973, 1506, 1757, 1807, 1946, 2919, 3263, 3514, 3614, 5271, 5421, 5838, 6526, 9789, 10542, 10842, 12649, 19578, 22841, 25298, 34889, 37947, 45682, 68523, 69778, 75894, 104667, 137046, 209334, 244223, 453557, 488446, 732669, 907114, 1360671, 1465338, 2721342, 3174899, 6349798, 9524697, 19049394]

約数ペア:

[(1, 19049394), (2, 9524697), (3, 6349798), (6, 3174899), (7, 2721342), (13, 1465338), (14, 1360671), (21, 907114), (26, 732669), (39, 488446), (42, 453557), (78, 244223), (91, 209334), (139, 137046), (182, 104667), (251, 75894), (273, 69778), (278, 68523), (417, 45682), (502, 37947), (546, 34889), (753, 25298), (834, 22841), (973, 19578), (1506, 12649), (1757, 10842), (1807, 10542), (1946, 9789), (2919, 6526), (3263, 5838), (3514, 5421), (3614, 5271)]