19406142

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 80

約数和(自身を含む): 50471520

約数和(自身を除く): 31065378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 109, 126, 157, 162, 189, 218, 314, 327, 378, 471, 567, 654, 763, 942, 981, 1099, 1134, 1413, 1526, 1962, 2198, 2289, 2826, 2943, 3297, 4239, 4578, 5886, 6594, 6867, 8478, 8829, 9891, 12717, 13734, 17113, 17658, 19782, 20601, 25434, 29673, 34226, 41202, 51339, 59346, 61803, 89019, 102678, 119791, 123606, 154017, 178038, 239582, 308034, 359373, 462051, 718746, 924102, 1078119, 1386153, 2156238, 2772306, 3234357, 6468714, 9703071, 19406142]

約数ペア:

[(1, 19406142), (2, 9703071), (3, 6468714), (6, 3234357), (7, 2772306), (9, 2156238), (14, 1386153), (18, 1078119), (21, 924102), (27, 718746), (42, 462051), (54, 359373), (63, 308034), (81, 239582), (109, 178038), (126, 154017), (157, 123606), (162, 119791), (189, 102678), (218, 89019), (314, 61803), (327, 59346), (378, 51339), (471, 41202), (567, 34226), (654, 29673), (763, 25434), (942, 20601), (981, 19782), (1099, 17658), (1134, 17113), (1413, 13734), (1526, 12717), (1962, 9891), (2198, 8829), (2289, 8478), (2826, 6867), (2943, 6594), (3297, 5886), (4239, 4578)]