19715418

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 44647200

約数和(自身を除く): 24931782

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 179, 211, 261, 358, 422, 522, 537, 633, 1074, 1266, 1611, 1899, 3222, 3798, 5191, 6119, 10382, 12238, 15573, 18357, 31146, 36714, 37769, 46719, 55071, 75538, 93438, 110142, 113307, 226614, 339921, 679842, 1095301, 2190602, 3285903, 6571806, 9857709, 19715418]

約数ペア:

[(1, 19715418), (2, 9857709), (3, 6571806), (6, 3285903), (9, 2190602), (18, 1095301), (29, 679842), (58, 339921), (87, 226614), (174, 113307), (179, 110142), (211, 93438), (261, 75538), (358, 55071), (422, 46719), (522, 37769), (537, 36714), (633, 31146), (1074, 18357), (1266, 15573), (1611, 12238), (1899, 10382), (3222, 6119), (3798, 5191)]