19755866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 33374208

約数和(自身を除く): 13618342

約数列:

[1, 2, 13, 26, 31, 62, 127, 193, 254, 386, 403, 806, 1651, 2509, 3302, 3937, 5018, 5983, 7874, 11966, 24511, 49022, 51181, 77779, 102362, 155558, 318643, 637286, 759841, 1519682, 9877933, 19755866]

約数ペア:

[(1, 19755866), (2, 9877933), (13, 1519682), (26, 759841), (31, 637286), (62, 318643), (127, 155558), (193, 102362), (254, 77779), (386, 51181), (403, 49022), (806, 24511), (1651, 11966), (2509, 7874), (3302, 5983), (3937, 5018)]