19958072

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28031}}^1$

素因数の和:28126

約数の個数: 16

約数和(自身を含む): 37843200

約数和(自身を除く): 17885128

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28031, 56062, 112124, 224248, 2494759, 4989518, 9979036, 19958072]

約数ペア:

[(1, 19958072), (2, 9979036), (4, 4989518), (8, 2494759), (89, 224248), (178, 112124), (356, 56062), (712, 28031)]