18442866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 41771520

約数和(自身を除く): 23328654

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 73, 78, 79, 82, 123, 146, 158, 219, 237, 246, 438, 474, 533, 949, 1027, 1066, 1599, 1898, 2054, 2847, 2993, 3081, 3198, 3239, 5694, 5767, 5986, 6162, 6478, 8979, 9717, 11534, 17301, 17958, 19434, 34602, 38909, 42107, 74971, 77818, 84214, 116727, 126321, 149942, 224913, 233454, 236447, 252642, 449826, 472894, 709341, 1418682, 3073811, 6147622, 9221433, 18442866]

約数ペア:

[(1, 18442866), (2, 9221433), (3, 6147622), (6, 3073811), (13, 1418682), (26, 709341), (39, 472894), (41, 449826), (73, 252642), (78, 236447), (79, 233454), (82, 224913), (123, 149942), (146, 126321), (158, 116727), (219, 84214), (237, 77818), (246, 74971), (438, 42107), (474, 38909), (533, 34602), (949, 19434), (1027, 17958), (1066, 17301), (1599, 11534), (1898, 9717), (2054, 8979), (2847, 6478), (2993, 6162), (3081, 5986), (3198, 5767), (3239, 5694)]