17938964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1223}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 33243840

約数和(自身を除く): 15304876

約数列:

[1, 2, 4, 19, 38, 76, 193, 386, 772, 1223, 2446, 3667, 4892, 7334, 14668, 23237, 46474, 92948, 236039, 472078, 944156, 4484741, 8969482, 17938964]

約数ペア:

[(1, 17938964), (2, 8969482), (4, 4484741), (19, 944156), (38, 472078), (76, 236039), (193, 92948), (386, 46474), (772, 23237), (1223, 14668), (2446, 7334), (3667, 4892)]