19612396

素因数分解:

$2^2\times {\mathrm{89}}^2\times {\mathrm{619}}^1$

素因数の和:801

約数の個数: 18

約数和(自身を含む): 34767740

約数和(自身を除く): 15155344

約数列:

[1, 2, 4, 89, 178, 356, 619, 1238, 2476, 7921, 15842, 31684, 55091, 110182, 220364, 4903099, 9806198, 19612396]

約数ペア:

[(1, 19612396), (2, 9806198), (4, 4903099), (89, 220364), (178, 110182), (356, 55091), (619, 31684), (1238, 15842), (2476, 7921)]