19015075

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 24427008

約数和(自身を除く): 5411933

約数列:

[1, 5, 25, 53, 113, 127, 265, 565, 635, 1325, 2825, 3175, 5989, 6731, 14351, 29945, 33655, 71755, 149725, 168275, 358775, 760603, 3803015, 19015075]

約数ペア:

[(1, 19015075), (5, 3803015), (25, 760603), (53, 358775), (113, 168275), (127, 149725), (265, 71755), (565, 33655), (635, 29945), (1325, 14351), (2825, 6731), (3175, 5989)]