19411705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 26002944

約数和(自身を除く): 6591239

約数列:

[1, 5, 17, 43, 47, 85, 113, 215, 235, 565, 731, 799, 1921, 2021, 3655, 3995, 4859, 5311, 9605, 10105, 24295, 26555, 34357, 82603, 90287, 171785, 228373, 413015, 451435, 1141865, 3882341, 19411705]

約数ペア:

[(1, 19411705), (5, 3882341), (17, 1141865), (43, 451435), (47, 413015), (85, 228373), (113, 171785), (215, 90287), (235, 82603), (565, 34357), (731, 26555), (799, 24295), (1921, 10105), (2021, 9605), (3655, 5311), (3995, 4859)]