18910848

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 128

約数和(自身を含む): 56744640

約数和(自身を除く): 37833792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 37, 44, 48, 64, 66, 74, 88, 96, 111, 121, 128, 132, 148, 176, 192, 222, 242, 264, 296, 352, 363, 384, 407, 444, 484, 528, 592, 704, 726, 814, 888, 968, 1056, 1184, 1221, 1331, 1408, 1452, 1628, 1776, 1936, 2112, 2368, 2442, 2662, 2904, 3256, 3552, 3872, 3993, 4224, 4477, 4736, 4884, 5324, 5808, 6512, 7104, 7744, 7986, 8954, 9768, 10648, 11616, 13024, 13431, 14208, 15488, 15972, 17908, 19536, 21296, 23232, 26048, 26862, 31944, 35816, 39072, 42592, 46464, 49247, 52096, 53724, 63888, 71632, 78144, 85184, 98494, 107448, 127776, 143264, 147741, 156288, 170368, 196988, 214896, 255552, 286528, 295482, 393976, 429792, 511104, 573056, 590964, 787952, 859584, 1181928, 1575904, 1719168, 2363856, 3151808, 4727712, 6303616, 9455424, 18910848]

約数ペア:

[(1, 18910848), (2, 9455424), (3, 6303616), (4, 4727712), (6, 3151808), (8, 2363856), (11, 1719168), (12, 1575904), (16, 1181928), (22, 859584), (24, 787952), (32, 590964), (33, 573056), (37, 511104), (44, 429792), (48, 393976), (64, 295482), (66, 286528), (74, 255552), (88, 214896), (96, 196988), (111, 170368), (121, 156288), (128, 147741), (132, 143264), (148, 127776), (176, 107448), (192, 98494), (222, 85184), (242, 78144), (264, 71632), (296, 63888), (352, 53724), (363, 52096), (384, 49247), (407, 46464), (444, 42592), (484, 39072), (528, 35816), (592, 31944), (704, 26862), (726, 26048), (814, 23232), (888, 21296), (968, 19536), (1056, 17908), (1184, 15972), (1221, 15488), (1331, 14208), (1408, 13431), (1452, 13024), (1628, 11616), (1776, 10648), (1936, 9768), (2112, 8954), (2368, 7986), (2442, 7744), (2662, 7104), (2904, 6512), (3256, 5808), (3552, 5324), (3872, 4884), (3993, 4736), (4224, 4477)]