19921726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39371}}^1$

素因数の和:39407

約数の個数: 16

約数和(自身を含む): 34017408

約数和(自身を除く): 14095682

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39371, 78742, 433081, 866162, 905533, 1811066, 9960863, 19921726]

約数ペア:

[(1, 19921726), (2, 9960863), (11, 1811066), (22, 905533), (23, 866162), (46, 433081), (253, 78742), (506, 39371)]