19913751

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15473}}^1$

素因数の和:15503

約数の個数: 24

約数和(自身を含む): 33795216

約数和(自身を除く): 13881465

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15473, 46419, 139257, 170203, 201149, 510609, 603447, 1531827, 1810341, 2212639, 6637917, 19913751]

約数ペア:

[(1, 19913751), (3, 6637917), (9, 2212639), (11, 1810341), (13, 1531827), (33, 603447), (39, 510609), (99, 201149), (117, 170203), (143, 139257), (429, 46419), (1287, 15473)]