18946857

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19553}}^1$

素因数の和:19592

約数の個数: 16

約数和(自身を含む): 28157760

約数和(自身を除く): 9210903

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 19553, 58659, 332401, 371507, 997203, 1114521, 6315619, 18946857]

約数ペア:

[(1, 18946857), (3, 6315619), (17, 1114521), (19, 997203), (51, 371507), (57, 332401), (323, 58659), (969, 19553)]