80666818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1\times {\mathrm{1997}}^1$

素因数の和:3081

約数の個数: 16

約数和(自身を含む): 127552320

約数和(自身を除く): 46885502

約数列:

[1, 2, 19, 38, 1063, 1997, 2126, 3994, 20197, 37943, 40394, 75886, 2122811, 4245622, 40333409, 80666818]

約数ペア:

[(1, 80666818), (2, 40333409), (19, 4245622), (38, 2122811), (1063, 75886), (1997, 40394), (2126, 37943), (3994, 20197)]