2019155257

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{5503}}^1$

素因数の和:5629

約数の個数: 32

約数和(自身を含む): 2510880768

約数和(自身を除く): 491725511

約数列:

[1, 7, 23, 43, 53, 161, 301, 371, 989, 1219, 2279, 5503, 6923, 8533, 15953, 38521, 52417, 126569, 236629, 291659, 366919, 885983, 1656403, 2041613, 5442467, 6708157, 12541337, 38097269, 46957099, 87789359, 288450751, 2019155257]

約数ペア:

[(1, 2019155257), (7, 288450751), (23, 87789359), (43, 46957099), (53, 38097269), (161, 12541337), (301, 6708157), (371, 5442467), (989, 2041613), (1219, 1656403), (2279, 885983), (5503, 366919), (6923, 291659), (8533, 236629), (15953, 126569), (38521, 52417)]