17809956

素因数分解:

$2^2\times 3^5\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 47515104

約数和(自身を除く): 29705148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 243, 251, 292, 324, 438, 486, 502, 657, 753, 876, 972, 1004, 1314, 1506, 1971, 2259, 2628, 3012, 3942, 4518, 5913, 6777, 7884, 9036, 11826, 13554, 17739, 18323, 20331, 23652, 27108, 35478, 36646, 40662, 54969, 60993, 70956, 73292, 81324, 109938, 121986, 164907, 219876, 243972, 329814, 494721, 659628, 989442, 1484163, 1978884, 2968326, 4452489, 5936652, 8904978, 17809956]

約数ペア:

[(1, 17809956), (2, 8904978), (3, 5936652), (4, 4452489), (6, 2968326), (9, 1978884), (12, 1484163), (18, 989442), (27, 659628), (36, 494721), (54, 329814), (73, 243972), (81, 219876), (108, 164907), (146, 121986), (162, 109938), (219, 81324), (243, 73292), (251, 70956), (292, 60993), (324, 54969), (438, 40662), (486, 36646), (502, 35478), (657, 27108), (753, 23652), (876, 20331), (972, 18323), (1004, 17739), (1314, 13554), (1506, 11826), (1971, 9036), (2259, 7884), (2628, 6777), (3012, 5913), (3942, 4518)]