19934943

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17911}}^1$

素因数の和:17974

約数の個数: 16

約数和(自身を含む): 30951936

約数和(自身を除く): 11016993

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17911, 53733, 125377, 376131, 949283, 2847849, 6644981, 19934943]

約数ペア:

[(1, 19934943), (3, 6644981), (7, 2847849), (21, 949283), (53, 376131), (159, 125377), (371, 53733), (1113, 17911)]