19770626

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13523}}^1$

素因数の和:13585

約数の個数: 16

約数和(自身を含む): 32133024

約数和(自身を除く): 12362398

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 13523, 27046, 229891, 459782, 581489, 1162978, 9885313, 19770626]

約数ペア:

[(1, 19770626), (2, 9885313), (17, 1162978), (34, 581489), (43, 459782), (86, 229891), (731, 27046), (1462, 13523)]