18827354

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 37158912

約数和(自身を除く): 18331558

約数列:

[1, 2, 7, 13, 14, 26, 31, 47, 62, 71, 91, 94, 142, 182, 217, 329, 403, 434, 497, 611, 658, 806, 923, 994, 1222, 1457, 1846, 2201, 2821, 2914, 3337, 4277, 4402, 5642, 6461, 6674, 8554, 10199, 12922, 15407, 18941, 20398, 23359, 28613, 30814, 37882, 43381, 46718, 57226, 86762, 103447, 132587, 200291, 206894, 265174, 303667, 400582, 607334, 724129, 1344811, 1448258, 2689622, 9413677, 18827354]

約数ペア:

[(1, 18827354), (2, 9413677), (7, 2689622), (13, 1448258), (14, 1344811), (26, 724129), (31, 607334), (47, 400582), (62, 303667), (71, 265174), (91, 206894), (94, 200291), (142, 132587), (182, 103447), (217, 86762), (329, 57226), (403, 46718), (434, 43381), (497, 37882), (611, 30814), (658, 28613), (806, 23359), (923, 20398), (994, 18941), (1222, 15407), (1457, 12922), (1846, 10199), (2201, 8554), (2821, 6674), (2914, 6461), (3337, 5642), (4277, 4402)]