19168359

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6863}}^1$

素因数の和:6899

約数の個数: 24

約数和(自身を含む): 31299840

約数和(自身を除く): 12131481

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 6863, 20589, 48041, 130397, 144123, 336287, 391191, 912779, 1008861, 2738337, 6389453, 19168359]

約数ペア:

[(1, 19168359), (3, 6389453), (7, 2738337), (19, 1008861), (21, 912779), (49, 391191), (57, 336287), (133, 144123), (147, 130397), (399, 48041), (931, 20589), (2793, 6863)]