19997688

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{10039}}^1$

素因数の和:10131

約数の個数: 32

約数和(自身を含む): 50601600

約数和(自身を除く): 30603912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992, 10039, 20078, 30117, 40156, 60234, 80312, 120468, 240936, 833237, 1666474, 2499711, 3332948, 4999422, 6665896, 9998844, 19997688]

約数ペア:

[(1, 19997688), (2, 9998844), (3, 6665896), (4, 4999422), (6, 3332948), (8, 2499711), (12, 1666474), (24, 833237), (83, 240936), (166, 120468), (249, 80312), (332, 60234), (498, 40156), (664, 30117), (996, 20078), (1992, 10039)]