19294119

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 31589712

約数和(自身を除く): 12295593

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 219, 251, 351, 657, 753, 949, 1053, 1971, 2259, 2847, 3263, 5913, 6777, 8541, 9789, 18323, 20331, 25623, 29367, 54969, 76869, 88101, 164907, 238199, 264303, 494721, 714597, 1484163, 2143791, 6431373, 19294119]

約数ペア:

[(1, 19294119), (3, 6431373), (9, 2143791), (13, 1484163), (27, 714597), (39, 494721), (73, 264303), (81, 238199), (117, 164907), (219, 88101), (251, 76869), (351, 54969), (657, 29367), (753, 25623), (949, 20331), (1053, 18323), (1971, 9789), (2259, 8541), (2847, 6777), (3263, 5913)]