19473207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9421}}^1$

素因数の和:9490

約数の個数: 16

約数和(自身を含む): 28492128

約数和(自身を除く): 9018921

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9421, 28263, 122473, 367419, 499313, 1497939, 6491069, 19473207]

約数ペア:

[(1, 19473207), (3, 6491069), (13, 1497939), (39, 499313), (53, 367419), (159, 122473), (689, 28263), (2067, 9421)]