18807376

素因数分解:

$2^4\times 7^3\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 80

約数和(自身を含む): 44640000

約数和(自身を除く): 25832624

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 149, 161, 184, 196, 298, 322, 343, 368, 392, 596, 644, 686, 784, 1043, 1127, 1192, 1288, 1372, 2086, 2254, 2384, 2576, 2744, 3427, 4172, 4508, 5488, 6854, 7301, 7889, 8344, 9016, 13708, 14602, 15778, 16688, 18032, 23989, 27416, 29204, 31556, 47978, 51107, 54832, 58408, 63112, 95956, 102214, 116816, 126224, 167923, 191912, 204428, 335846, 383824, 408856, 671692, 817712, 1175461, 1343384, 2350922, 2686768, 4701844, 9403688, 18807376]

約数ペア:

[(1, 18807376), (2, 9403688), (4, 4701844), (7, 2686768), (8, 2350922), (14, 1343384), (16, 1175461), (23, 817712), (28, 671692), (46, 408856), (49, 383824), (56, 335846), (92, 204428), (98, 191912), (112, 167923), (149, 126224), (161, 116816), (184, 102214), (196, 95956), (298, 63112), (322, 58408), (343, 54832), (368, 51107), (392, 47978), (596, 31556), (644, 29204), (686, 27416), (784, 23989), (1043, 18032), (1127, 16688), (1192, 15778), (1288, 14602), (1372, 13708), (2086, 9016), (2254, 8344), (2384, 7889), (2576, 7301), (2744, 6854), (3427, 5488), (4172, 4508)]