19193075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 26355456

約数和(自身を除く): 7162381

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 983, 1775, 3905, 4915, 10813, 19525, 24575, 54065, 69793, 270325, 348965, 767723, 1744825, 3838615, 19193075]

約数ペア:

[(1, 19193075), (5, 3838615), (11, 1744825), (25, 767723), (55, 348965), (71, 270325), (275, 69793), (355, 54065), (781, 24575), (983, 19525), (1775, 10813), (3905, 4915)]