19453544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 41912640

約数和(自身を除く): 22459096

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 53, 86, 88, 97, 106, 172, 194, 212, 344, 388, 424, 473, 583, 776, 946, 1067, 1166, 1892, 2134, 2279, 2332, 3784, 4171, 4268, 4558, 4664, 5141, 8342, 8536, 9116, 10282, 16684, 18232, 20564, 25069, 33368, 41128, 45881, 50138, 56551, 91762, 100276, 113102, 183524, 200552, 221063, 226204, 367048, 442126, 452408, 884252, 1768504, 2431693, 4863386, 9726772, 19453544]

約数ペア:

[(1, 19453544), (2, 9726772), (4, 4863386), (8, 2431693), (11, 1768504), (22, 884252), (43, 452408), (44, 442126), (53, 367048), (86, 226204), (88, 221063), (97, 200552), (106, 183524), (172, 113102), (194, 100276), (212, 91762), (344, 56551), (388, 50138), (424, 45881), (473, 41128), (583, 33368), (776, 25069), (946, 20564), (1067, 18232), (1166, 16684), (1892, 10282), (2134, 9116), (2279, 8536), (2332, 8342), (3784, 5141), (4171, 4664), (4268, 4558)]