19517616

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 58496256

約数和(自身を除く): 38978640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 71, 72, 83, 92, 138, 142, 144, 166, 184, 207, 213, 249, 276, 284, 332, 368, 414, 426, 498, 552, 568, 639, 664, 747, 828, 852, 996, 1104, 1136, 1278, 1328, 1494, 1633, 1656, 1704, 1909, 1992, 2556, 2988, 3266, 3312, 3408, 3818, 3984, 4899, 5112, 5727, 5893, 5976, 6532, 7636, 9798, 10224, 11454, 11786, 11952, 13064, 14697, 15272, 17181, 17679, 19596, 22908, 23572, 26128, 29394, 30544, 34362, 35358, 39192, 45816, 47144, 53037, 58788, 68724, 70716, 78384, 91632, 94288, 106074, 117576, 135539, 137448, 141432, 212148, 235152, 271078, 274896, 282864, 406617, 424296, 542156, 813234, 848592, 1084312, 1219851, 1626468, 2168624, 2439702, 3252936, 4879404, 6505872, 9758808, 19517616]

約数ペア:

[(1, 19517616), (2, 9758808), (3, 6505872), (4, 4879404), (6, 3252936), (8, 2439702), (9, 2168624), (12, 1626468), (16, 1219851), (18, 1084312), (23, 848592), (24, 813234), (36, 542156), (46, 424296), (48, 406617), (69, 282864), (71, 274896), (72, 271078), (83, 235152), (92, 212148), (138, 141432), (142, 137448), (144, 135539), (166, 117576), (184, 106074), (207, 94288), (213, 91632), (249, 78384), (276, 70716), (284, 68724), (332, 58788), (368, 53037), (414, 47144), (426, 45816), (498, 39192), (552, 35358), (568, 34362), (639, 30544), (664, 29394), (747, 26128), (828, 23572), (852, 22908), (996, 19596), (1104, 17679), (1136, 17181), (1278, 15272), (1328, 14697), (1494, 13064), (1633, 11952), (1656, 11786), (1704, 11454), (1909, 10224), (1992, 9798), (2556, 7636), (2988, 6532), (3266, 5976), (3312, 5893), (3408, 5727), (3818, 5112), (3984, 4899)]