16786872

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 50688000

約数和(自身を除く): 33901128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 31, 36, 46, 54, 62, 69, 72, 92, 93, 108, 109, 124, 138, 184, 186, 207, 216, 218, 248, 276, 279, 327, 372, 414, 436, 552, 558, 621, 654, 713, 744, 828, 837, 872, 981, 1116, 1242, 1308, 1426, 1656, 1674, 1962, 2139, 2232, 2484, 2507, 2616, 2852, 2943, 3348, 3379, 3924, 4278, 4968, 5014, 5704, 5886, 6417, 6696, 6758, 7521, 7848, 8556, 10028, 10137, 11772, 12834, 13516, 15042, 17112, 19251, 20056, 20274, 22563, 23544, 25668, 27032, 30084, 30411, 38502, 40548, 45126, 51336, 60168, 60822, 67689, 77004, 77717, 81096, 90252, 91233, 121644, 135378, 154008, 155434, 180504, 182466, 233151, 243288, 270756, 310868, 364932, 466302, 541512, 621736, 699453, 729864, 932604, 1398906, 1865208, 2098359, 2797812, 4196718, 5595624, 8393436, 16786872]

約数ペア:

[(1, 16786872), (2, 8393436), (3, 5595624), (4, 4196718), (6, 2797812), (8, 2098359), (9, 1865208), (12, 1398906), (18, 932604), (23, 729864), (24, 699453), (27, 621736), (31, 541512), (36, 466302), (46, 364932), (54, 310868), (62, 270756), (69, 243288), (72, 233151), (92, 182466), (93, 180504), (108, 155434), (109, 154008), (124, 135378), (138, 121644), (184, 91233), (186, 90252), (207, 81096), (216, 77717), (218, 77004), (248, 67689), (276, 60822), (279, 60168), (327, 51336), (372, 45126), (414, 40548), (436, 38502), (552, 30411), (558, 30084), (621, 27032), (654, 25668), (713, 23544), (744, 22563), (828, 20274), (837, 20056), (872, 19251), (981, 17112), (1116, 15042), (1242, 13516), (1308, 12834), (1426, 11772), (1656, 10137), (1674, 10028), (1962, 8556), (2139, 7848), (2232, 7521), (2484, 6758), (2507, 6696), (2616, 6417), (2852, 5886), (2943, 5704), (3348, 5014), (3379, 4968), (3924, 4278)]