19906546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39341}}^1$

素因数の和:39377

約数の個数: 16

約数和(自身を含む): 33991488

約数和(自身を除く): 14084942

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39341, 78682, 432751, 865502, 904843, 1809686, 9953273, 19906546]

約数ペア:

[(1, 19906546), (2, 9953273), (11, 1809686), (22, 904843), (23, 865502), (46, 432751), (253, 78682), (506, 39341)]