19255419

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 28501200

約数和(自身を除く): 9245781

約数列:

[1, 3, 9, 83, 149, 173, 249, 447, 519, 747, 1341, 1557, 12367, 14359, 25777, 37101, 43077, 77331, 111303, 129231, 231993, 2139491, 6418473, 19255419]

約数ペア:

[(1, 19255419), (3, 6418473), (9, 2139491), (83, 231993), (149, 129231), (173, 111303), (249, 77331), (447, 43077), (519, 37101), (747, 25777), (1341, 14359), (1557, 12367)]