18206672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 41140224

約数和(自身を除く): 22933552

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 47, 62, 71, 88, 94, 124, 142, 176, 188, 248, 284, 341, 376, 496, 517, 568, 682, 752, 781, 1034, 1136, 1364, 1457, 1562, 2068, 2201, 2728, 2914, 3124, 3337, 4136, 4402, 5456, 5828, 6248, 6674, 8272, 8804, 11656, 12496, 13348, 16027, 17608, 23312, 24211, 26696, 32054, 35216, 36707, 48422, 53392, 64108, 73414, 96844, 103447, 128216, 146828, 193688, 206894, 256432, 293656, 387376, 413788, 587312, 827576, 1137917, 1655152, 2275834, 4551668, 9103336, 18206672]

約数ペア:

[(1, 18206672), (2, 9103336), (4, 4551668), (8, 2275834), (11, 1655152), (16, 1137917), (22, 827576), (31, 587312), (44, 413788), (47, 387376), (62, 293656), (71, 256432), (88, 206894), (94, 193688), (124, 146828), (142, 128216), (176, 103447), (188, 96844), (248, 73414), (284, 64108), (341, 53392), (376, 48422), (496, 36707), (517, 35216), (568, 32054), (682, 26696), (752, 24211), (781, 23312), (1034, 17608), (1136, 16027), (1364, 13348), (1457, 12496), (1562, 11656), (2068, 8804), (2201, 8272), (2728, 6674), (2914, 6248), (3124, 5828), (3337, 5456), (4136, 4402)]