18786558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 45416448

約数和(自身を除く): 26629890

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 47, 62, 93, 94, 141, 186, 217, 282, 307, 329, 434, 614, 651, 658, 921, 987, 1302, 1457, 1842, 1974, 2149, 2914, 4298, 4371, 6447, 8742, 9517, 10199, 12894, 14429, 19034, 20398, 28551, 28858, 30597, 43287, 57102, 61194, 66619, 86574, 101003, 133238, 199857, 202006, 303009, 399714, 447299, 606018, 894598, 1341897, 2683794, 3131093, 6262186, 9393279, 18786558]

約数ペア:

[(1, 18786558), (2, 9393279), (3, 6262186), (6, 3131093), (7, 2683794), (14, 1341897), (21, 894598), (31, 606018), (42, 447299), (47, 399714), (62, 303009), (93, 202006), (94, 199857), (141, 133238), (186, 101003), (217, 86574), (282, 66619), (307, 61194), (329, 57102), (434, 43287), (614, 30597), (651, 28858), (658, 28551), (921, 20398), (987, 19034), (1302, 14429), (1457, 12894), (1842, 10199), (1974, 9517), (2149, 8742), (2914, 6447), (4298, 4371)]