19343995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 27060480

約数和(自身を除く): 7716485

約数列:

[1, 5, 11, 19, 55, 95, 107, 173, 209, 535, 865, 1045, 1177, 1903, 2033, 3287, 5885, 9515, 10165, 16435, 18511, 22363, 36157, 92555, 111815, 180785, 203621, 351709, 1018105, 1758545, 3868799, 19343995]

約数ペア:

[(1, 19343995), (5, 3868799), (11, 1758545), (19, 1018105), (55, 351709), (95, 203621), (107, 180785), (173, 111815), (209, 92555), (535, 36157), (865, 22363), (1045, 18511), (1177, 16435), (1903, 10165), (2033, 9515), (3287, 5885)]