19849906

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:689

約数の個数: 16

約数和(自身を含む): 30222720

約数和(自身を除く): 10372814

約数列:

[1, 2, 131, 239, 262, 317, 478, 634, 31309, 41527, 62618, 75763, 83054, 151526, 9924953, 19849906]

約数ペア:

[(1, 19849906), (2, 9924953), (131, 151526), (239, 83054), (262, 75763), (317, 62618), (478, 41527), (634, 31309)]