2019622016

素因数分解:

$2^7\times {\mathrm{1997}}^1\times {\mathrm{7901}}^1$

素因数の和:9912

約数の個数: 32

約数和(自身を含む): 4025989980

約数和(自身を除く): 2006367964

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1997, 3994, 7901, 7988, 15802, 15976, 31604, 31952, 63208, 63904, 126416, 127808, 252832, 255616, 505664, 1011328, 15778297, 31556594, 63113188, 126226376, 252452752, 504905504, 1009811008, 2019622016]

約数ペア:

[(1, 2019622016), (2, 1009811008), (4, 504905504), (8, 252452752), (16, 126226376), (32, 63113188), (64, 31556594), (128, 15778297), (1997, 1011328), (3994, 505664), (7901, 255616), (7988, 252832), (15802, 127808), (15976, 126416), (31604, 63904), (31952, 63208)]