19666656

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{2969}}^1$

素因数の和:3008

約数の個数: 72

約数和(自身を含む): 58378320

約数和(自身を除く): 38711664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 2969, 3312, 5938, 6624, 8907, 11876, 17814, 23752, 26721, 35628, 47504, 53442, 68287, 71256, 95008, 106884, 136574, 142512, 204861, 213768, 273148, 285024, 409722, 427536, 546296, 614583, 819444, 855072, 1092592, 1229166, 1638888, 2185184, 2458332, 3277776, 4916664, 6555552, 9833328, 19666656]

約数ペア:

[(1, 19666656), (2, 9833328), (3, 6555552), (4, 4916664), (6, 3277776), (8, 2458332), (9, 2185184), (12, 1638888), (16, 1229166), (18, 1092592), (23, 855072), (24, 819444), (32, 614583), (36, 546296), (46, 427536), (48, 409722), (69, 285024), (72, 273148), (92, 213768), (96, 204861), (138, 142512), (144, 136574), (184, 106884), (207, 95008), (276, 71256), (288, 68287), (368, 53442), (414, 47504), (552, 35628), (736, 26721), (828, 23752), (1104, 17814), (1656, 11876), (2208, 8907), (2969, 6624), (3312, 5938)]