19731305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 8262295

約数列:

[1, 5, 11, 17, 47, 55, 85, 187, 235, 449, 517, 799, 935, 2245, 2585, 3995, 4939, 7633, 8789, 21103, 24695, 38165, 43945, 83963, 105515, 232133, 358751, 419815, 1160665, 1793755, 3946261, 19731305]

約数ペア:

[(1, 19731305), (5, 3946261), (11, 1793755), (17, 1160665), (47, 419815), (55, 358751), (85, 232133), (187, 105515), (235, 83963), (449, 43945), (517, 38165), (799, 24695), (935, 21103), (2245, 8789), (2585, 7633), (3995, 4939)]