18799671

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 31850496

約数和(自身を除く): 13050825

約数列:

[1, 3, 11, 17, 23, 31, 33, 47, 51, 69, 93, 141, 187, 253, 341, 391, 517, 527, 561, 713, 759, 799, 1023, 1081, 1173, 1457, 1551, 1581, 2139, 2397, 3243, 4301, 4371, 5797, 7843, 8789, 11891, 12121, 12903, 16027, 17391, 18377, 23529, 24769, 26367, 33511, 35673, 36363, 48081, 55131, 74307, 100533, 133331, 202147, 272459, 368621, 399993, 569687, 606441, 817377, 1105863, 1709061, 6266557, 18799671]

約数ペア:

[(1, 18799671), (3, 6266557), (11, 1709061), (17, 1105863), (23, 817377), (31, 606441), (33, 569687), (47, 399993), (51, 368621), (69, 272459), (93, 202147), (141, 133331), (187, 100533), (253, 74307), (341, 55131), (391, 48081), (517, 36363), (527, 35673), (561, 33511), (713, 26367), (759, 24769), (799, 23529), (1023, 18377), (1081, 17391), (1173, 16027), (1457, 12903), (1551, 12121), (1581, 11891), (2139, 8789), (2397, 7843), (3243, 5797), (4301, 4371)]