19802016

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 192

約数和(自身を含む): 65197440

約数和(自身を除く): 45395424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 41, 43, 48, 52, 54, 72, 78, 82, 86, 96, 104, 108, 117, 123, 129, 144, 156, 164, 172, 208, 216, 234, 246, 258, 288, 312, 328, 344, 351, 369, 387, 416, 432, 468, 492, 516, 533, 559, 624, 656, 688, 702, 738, 774, 864, 936, 984, 1032, 1066, 1107, 1118, 1161, 1248, 1312, 1376, 1404, 1476, 1548, 1599, 1677, 1763, 1872, 1968, 2064, 2132, 2214, 2236, 2322, 2808, 2952, 3096, 3198, 3354, 3526, 3744, 3936, 4128, 4264, 4428, 4472, 4644, 4797, 5031, 5289, 5616, 5904, 6192, 6396, 6708, 7052, 8528, 8856, 8944, 9288, 9594, 10062, 10578, 11232, 11808, 12384, 12792, 13416, 14104, 14391, 15093, 15867, 17056, 17712, 17888, 18576, 19188, 20124, 21156, 22919, 25584, 26832, 28208, 28782, 30186, 31734, 35424, 37152, 38376, 40248, 42312, 45838, 47601, 51168, 53664, 56416, 57564, 60372, 63468, 68757, 76752, 80496, 84624, 91676, 95202, 115128, 120744, 126936, 137514, 153504, 160992, 169248, 183352, 190404, 206271, 230256, 241488, 253872, 275028, 366704, 380808, 412542, 460512, 482976, 507744, 550056, 618813, 733408, 761616, 825084, 1100112, 1237626, 1523232, 1650168, 2200224, 2475252, 3300336, 4950504, 6600672, 9901008, 19802016]

約数ペア:

[(1, 19802016), (2, 9901008), (3, 6600672), (4, 4950504), (6, 3300336), (8, 2475252), (9, 2200224), (12, 1650168), (13, 1523232), (16, 1237626), (18, 1100112), (24, 825084), (26, 761616), (27, 733408), (32, 618813), (36, 550056), (39, 507744), (41, 482976), (43, 460512), (48, 412542), (52, 380808), (54, 366704), (72, 275028), (78, 253872), (82, 241488), (86, 230256), (96, 206271), (104, 190404), (108, 183352), (117, 169248), (123, 160992), (129, 153504), (144, 137514), (156, 126936), (164, 120744), (172, 115128), (208, 95202), (216, 91676), (234, 84624), (246, 80496), (258, 76752), (288, 68757), (312, 63468), (328, 60372), (344, 57564), (351, 56416), (369, 53664), (387, 51168), (416, 47601), (432, 45838), (468, 42312), (492, 40248), (516, 38376), (533, 37152), (559, 35424), (624, 31734), (656, 30186), (688, 28782), (702, 28208), (738, 26832), (774, 25584), (864, 22919), (936, 21156), (984, 20124), (1032, 19188), (1066, 18576), (1107, 17888), (1118, 17712), (1161, 17056), (1248, 15867), (1312, 15093), (1376, 14391), (1404, 14104), (1476, 13416), (1548, 12792), (1599, 12384), (1677, 11808), (1763, 11232), (1872, 10578), (1968, 10062), (2064, 9594), (2132, 9288), (2214, 8944), (2236, 8856), (2322, 8528), (2808, 7052), (2952, 6708), (3096, 6396), (3198, 6192), (3354, 5904), (3526, 5616), (3744, 5289), (3936, 5031), (4128, 4797), (4264, 4644), (4428, 4472)]