18486756

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 31046364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 83, 92, 138, 166, 207, 249, 269, 276, 332, 414, 498, 538, 747, 807, 828, 996, 1076, 1494, 1614, 1909, 2421, 2988, 3228, 3818, 4842, 5727, 6187, 7636, 9684, 11454, 12374, 17181, 18561, 22327, 22908, 24748, 34362, 37122, 44654, 55683, 66981, 68724, 74244, 89308, 111366, 133962, 200943, 222732, 267924, 401886, 513521, 803772, 1027042, 1540563, 2054084, 3081126, 4621689, 6162252, 9243378, 18486756]

約数ペア:

[(1, 18486756), (2, 9243378), (3, 6162252), (4, 4621689), (6, 3081126), (9, 2054084), (12, 1540563), (18, 1027042), (23, 803772), (36, 513521), (46, 401886), (69, 267924), (83, 222732), (92, 200943), (138, 133962), (166, 111366), (207, 89308), (249, 74244), (269, 68724), (276, 66981), (332, 55683), (414, 44654), (498, 37122), (538, 34362), (747, 24748), (807, 22908), (828, 22327), (996, 18561), (1076, 17181), (1494, 12374), (1614, 11454), (1909, 9684), (2421, 7636), (2988, 6187), (3228, 5727), (3818, 4842)]