19771056

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 59012096

約数和(自身を除く): 39241040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 43, 48, 62, 72, 86, 93, 103, 124, 129, 144, 172, 186, 206, 248, 258, 279, 309, 344, 372, 387, 412, 496, 516, 558, 618, 688, 744, 774, 824, 927, 1032, 1116, 1236, 1333, 1488, 1548, 1648, 1854, 2064, 2232, 2472, 2666, 3096, 3193, 3708, 3999, 4429, 4464, 4944, 5332, 6192, 6386, 7416, 7998, 8858, 9579, 10664, 11997, 12772, 13287, 14832, 15996, 17716, 19158, 21328, 23994, 25544, 26574, 28737, 31992, 35432, 38316, 39861, 47988, 51088, 53148, 57474, 63984, 70864, 76632, 79722, 95976, 106296, 114948, 137299, 153264, 159444, 191952, 212592, 229896, 274598, 318888, 411897, 459792, 549196, 637776, 823794, 1098392, 1235691, 1647588, 2196784, 2471382, 3295176, 4942764, 6590352, 9885528, 19771056]

約数ペア:

[(1, 19771056), (2, 9885528), (3, 6590352), (4, 4942764), (6, 3295176), (8, 2471382), (9, 2196784), (12, 1647588), (16, 1235691), (18, 1098392), (24, 823794), (31, 637776), (36, 549196), (43, 459792), (48, 411897), (62, 318888), (72, 274598), (86, 229896), (93, 212592), (103, 191952), (124, 159444), (129, 153264), (144, 137299), (172, 114948), (186, 106296), (206, 95976), (248, 79722), (258, 76632), (279, 70864), (309, 63984), (344, 57474), (372, 53148), (387, 51088), (412, 47988), (496, 39861), (516, 38316), (558, 35432), (618, 31992), (688, 28737), (744, 26574), (774, 25544), (824, 23994), (927, 21328), (1032, 19158), (1116, 17716), (1236, 15996), (1333, 14832), (1488, 13287), (1548, 12772), (1648, 11997), (1854, 10664), (2064, 9579), (2232, 8858), (2472, 7998), (2666, 7416), (3096, 6386), (3193, 6192), (3708, 5332), (3999, 4944), (4429, 4464)]