17893278

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 25652322

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 213, 234, 351, 359, 426, 639, 702, 718, 923, 1077, 1278, 1846, 1917, 2154, 2769, 3231, 3834, 4667, 5538, 6462, 8307, 9334, 9693, 14001, 16614, 19386, 24921, 25489, 28002, 42003, 49842, 50978, 76467, 84006, 126009, 152934, 229401, 252018, 331357, 458802, 662714, 688203, 994071, 1376406, 1988142, 2982213, 5964426, 8946639, 17893278]

約数ペア:

[(1, 17893278), (2, 8946639), (3, 5964426), (6, 2982213), (9, 1988142), (13, 1376406), (18, 994071), (26, 688203), (27, 662714), (39, 458802), (54, 331357), (71, 252018), (78, 229401), (117, 152934), (142, 126009), (213, 84006), (234, 76467), (351, 50978), (359, 49842), (426, 42003), (639, 28002), (702, 25489), (718, 24921), (923, 19386), (1077, 16614), (1278, 14001), (1846, 9693), (1917, 9334), (2154, 8307), (2769, 6462), (3231, 5538), (3834, 4667)]