19643526

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 50357760

約数和(自身を除く): 30714234

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 157, 189, 314, 331, 378, 471, 662, 942, 993, 1099, 1413, 1986, 2198, 2317, 2826, 2979, 3297, 4239, 4634, 5958, 6594, 6951, 8478, 8937, 9891, 13902, 17874, 19782, 20853, 29673, 41706, 51967, 59346, 62559, 103934, 125118, 155901, 311802, 363769, 467703, 727538, 935406, 1091307, 1403109, 2182614, 2806218, 3273921, 6547842, 9821763, 19643526]

約数ペア:

[(1, 19643526), (2, 9821763), (3, 6547842), (6, 3273921), (7, 2806218), (9, 2182614), (14, 1403109), (18, 1091307), (21, 935406), (27, 727538), (42, 467703), (54, 363769), (63, 311802), (126, 155901), (157, 125118), (189, 103934), (314, 62559), (331, 59346), (378, 51967), (471, 41706), (662, 29673), (942, 20853), (993, 19782), (1099, 17874), (1413, 13902), (1986, 9891), (2198, 8937), (2317, 8478), (2826, 6951), (2979, 6594), (3297, 5958), (4239, 4634)]