17847816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 55296000

約数和(自身を除く): 37448184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 31, 42, 46, 56, 62, 69, 84, 92, 93, 124, 138, 149, 161, 168, 184, 186, 217, 248, 276, 298, 322, 372, 434, 447, 483, 552, 596, 644, 651, 713, 744, 868, 894, 966, 1043, 1192, 1288, 1302, 1426, 1736, 1788, 1932, 2086, 2139, 2604, 2852, 3129, 3427, 3576, 3864, 4172, 4278, 4619, 4991, 5208, 5704, 6258, 6854, 8344, 8556, 9238, 9982, 10281, 12516, 13708, 13857, 14973, 17112, 18476, 19964, 20562, 23989, 25032, 27416, 27714, 29946, 32333, 36952, 39928, 41124, 47978, 55428, 59892, 64666, 71967, 82248, 95956, 96999, 106237, 110856, 119784, 129332, 143934, 191912, 193998, 212474, 258664, 287868, 318711, 387996, 424948, 575736, 637422, 743659, 775992, 849896, 1274844, 1487318, 2230977, 2549688, 2974636, 4461954, 5949272, 8923908, 17847816]

約数ペア:

[(1, 17847816), (2, 8923908), (3, 5949272), (4, 4461954), (6, 2974636), (7, 2549688), (8, 2230977), (12, 1487318), (14, 1274844), (21, 849896), (23, 775992), (24, 743659), (28, 637422), (31, 575736), (42, 424948), (46, 387996), (56, 318711), (62, 287868), (69, 258664), (84, 212474), (92, 193998), (93, 191912), (124, 143934), (138, 129332), (149, 119784), (161, 110856), (168, 106237), (184, 96999), (186, 95956), (217, 82248), (248, 71967), (276, 64666), (298, 59892), (322, 55428), (372, 47978), (434, 41124), (447, 39928), (483, 36952), (552, 32333), (596, 29946), (644, 27714), (651, 27416), (713, 25032), (744, 23989), (868, 20562), (894, 19964), (966, 18476), (1043, 17112), (1192, 14973), (1288, 13857), (1302, 13708), (1426, 12516), (1736, 10281), (1788, 9982), (1932, 9238), (2086, 8556), (2139, 8344), (2604, 6854), (2852, 6258), (3129, 5704), (3427, 5208), (3576, 4991), (3864, 4619), (4172, 4278)]