19644772

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20997788

約数列:

[1, 2, 4, 7, 14, 28, 79, 83, 107, 158, 166, 214, 316, 332, 428, 553, 581, 749, 1106, 1162, 1498, 2212, 2324, 2996, 6557, 8453, 8881, 13114, 16906, 17762, 26228, 33812, 35524, 45899, 59171, 62167, 91798, 118342, 124334, 183596, 236684, 248668, 701599, 1403198, 2806396, 4911193, 9822386, 19644772]

約数ペア:

[(1, 19644772), (2, 9822386), (4, 4911193), (7, 2806396), (14, 1403198), (28, 701599), (79, 248668), (83, 236684), (107, 183596), (158, 124334), (166, 118342), (214, 91798), (316, 62167), (332, 59171), (428, 45899), (553, 35524), (581, 33812), (749, 26228), (1106, 17762), (1162, 16906), (1498, 13114), (2212, 8881), (2324, 8453), (2996, 6557)]