19949616

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 59579520

約数和(自身を除く): 39629904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 41, 48, 62, 72, 82, 93, 109, 123, 124, 144, 164, 186, 218, 246, 248, 279, 327, 328, 369, 372, 436, 492, 496, 558, 654, 656, 738, 744, 872, 981, 984, 1116, 1271, 1308, 1476, 1488, 1744, 1962, 1968, 2232, 2542, 2616, 2952, 3379, 3813, 3924, 4464, 4469, 5084, 5232, 5904, 6758, 7626, 7848, 8938, 10137, 10168, 11439, 13407, 13516, 15252, 15696, 17876, 20274, 20336, 22878, 26814, 27032, 30411, 30504, 35752, 40221, 40548, 45756, 53628, 54064, 60822, 61008, 71504, 80442, 81096, 91512, 107256, 121644, 138539, 160884, 162192, 183024, 214512, 243288, 277078, 321768, 415617, 486576, 554156, 643536, 831234, 1108312, 1246851, 1662468, 2216624, 2493702, 3324936, 4987404, 6649872, 9974808, 19949616]

約数ペア:

[(1, 19949616), (2, 9974808), (3, 6649872), (4, 4987404), (6, 3324936), (8, 2493702), (9, 2216624), (12, 1662468), (16, 1246851), (18, 1108312), (24, 831234), (31, 643536), (36, 554156), (41, 486576), (48, 415617), (62, 321768), (72, 277078), (82, 243288), (93, 214512), (109, 183024), (123, 162192), (124, 160884), (144, 138539), (164, 121644), (186, 107256), (218, 91512), (246, 81096), (248, 80442), (279, 71504), (327, 61008), (328, 60822), (369, 54064), (372, 53628), (436, 45756), (492, 40548), (496, 40221), (558, 35752), (654, 30504), (656, 30411), (738, 27032), (744, 26814), (872, 22878), (981, 20336), (984, 20274), (1116, 17876), (1271, 15696), (1308, 15252), (1476, 13516), (1488, 13407), (1744, 11439), (1962, 10168), (1968, 10137), (2232, 8938), (2542, 7848), (2616, 7626), (2952, 6758), (3379, 5904), (3813, 5232), (3924, 5084), (4464, 4469)]