19936045

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 4901075

約数列:

[1, 5, 41, 79, 205, 395, 1231, 3239, 6155, 16195, 50471, 97249, 252355, 486245, 3987209, 19936045]

約数ペア:

[(1, 19936045), (5, 3987209), (41, 486245), (79, 252355), (205, 97249), (395, 50471), (1231, 16195), (3239, 6155)]