18187218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 48522240

約数和(自身を除く): 30335022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 71, 107, 114, 126, 133, 142, 171, 213, 214, 266, 321, 342, 399, 426, 497, 639, 642, 749, 798, 963, 994, 1197, 1278, 1349, 1491, 1498, 1926, 2033, 2247, 2394, 2698, 2982, 4047, 4066, 4473, 4494, 6099, 6741, 7597, 8094, 8946, 9443, 12141, 12198, 13482, 14231, 15194, 18297, 18886, 22791, 24282, 28329, 28462, 36594, 42693, 45582, 53179, 56658, 68373, 84987, 85386, 106358, 128079, 136746, 144343, 159537, 169974, 256158, 288686, 319074, 433029, 478611, 866058, 957222, 1010401, 1299087, 2020802, 2598174, 3031203, 6062406, 9093609, 18187218]

約数ペア:

[(1, 18187218), (2, 9093609), (3, 6062406), (6, 3031203), (7, 2598174), (9, 2020802), (14, 1299087), (18, 1010401), (19, 957222), (21, 866058), (38, 478611), (42, 433029), (57, 319074), (63, 288686), (71, 256158), (107, 169974), (114, 159537), (126, 144343), (133, 136746), (142, 128079), (171, 106358), (213, 85386), (214, 84987), (266, 68373), (321, 56658), (342, 53179), (399, 45582), (426, 42693), (497, 36594), (639, 28462), (642, 28329), (749, 24282), (798, 22791), (963, 18886), (994, 18297), (1197, 15194), (1278, 14231), (1349, 13482), (1491, 12198), (1498, 12141), (1926, 9443), (2033, 8946), (2247, 8094), (2394, 7597), (2698, 6741), (2982, 6099), (4047, 4494), (4066, 4473)]