19903842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3361}}^1$

素因数の和:3423

約数の個数: 48

約数和(自身を含む): 50349312

約数和(自身を除く): 30445470

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3361, 5922, 6722, 10083, 20166, 23527, 30249, 47054, 60498, 70581, 141162, 157967, 211743, 315934, 423486, 473901, 947802, 1105769, 1421703, 2211538, 2843406, 3317307, 6634614, 9951921, 19903842]

約数ペア:

[(1, 19903842), (2, 9951921), (3, 6634614), (6, 3317307), (7, 2843406), (9, 2211538), (14, 1421703), (18, 1105769), (21, 947802), (42, 473901), (47, 423486), (63, 315934), (94, 211743), (126, 157967), (141, 141162), (282, 70581), (329, 60498), (423, 47054), (658, 30249), (846, 23527), (987, 20166), (1974, 10083), (2961, 6722), (3361, 5922)]