19903422

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 64

約数和(自身を含む): 50448384

約数和(自身を除く): 30544962

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 67, 77, 134, 154, 201, 231, 402, 462, 469, 643, 737, 938, 1286, 1407, 1474, 1929, 2211, 2814, 3858, 4422, 4501, 5159, 7073, 9002, 10318, 13503, 14146, 15477, 21219, 27006, 30954, 42438, 43081, 49511, 86162, 99022, 129243, 148533, 258486, 297066, 301567, 473891, 603134, 904701, 947782, 1421673, 1809402, 2843346, 3317237, 6634474, 9951711, 19903422]

約数ペア:

[(1, 19903422), (2, 9951711), (3, 6634474), (6, 3317237), (7, 2843346), (11, 1809402), (14, 1421673), (21, 947782), (22, 904701), (33, 603134), (42, 473891), (66, 301567), (67, 297066), (77, 258486), (134, 148533), (154, 129243), (201, 99022), (231, 86162), (402, 49511), (462, 43081), (469, 42438), (643, 30954), (737, 27006), (938, 21219), (1286, 15477), (1407, 14146), (1474, 13503), (1929, 10318), (2211, 9002), (2814, 7073), (3858, 5159), (4422, 4501)]