19013385

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1319}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 31458240

約数和(自身を除く): 12444855

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 1319, 2883, 3957, 4805, 6595, 14415, 19785, 40889, 122667, 204445, 613335, 1267559, 3802677, 6337795, 19013385]

約数ペア:

[(1, 19013385), (3, 6337795), (5, 3802677), (15, 1267559), (31, 613335), (93, 204445), (155, 122667), (465, 40889), (961, 19785), (1319, 14415), (2883, 6595), (3957, 4805)]