19491860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57329}}^1$

素因数の和:57355

約数の個数: 24

約数和(自身を含む): 43341480

約数和(自身を除く): 23849620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57329, 114658, 229316, 286645, 573290, 974593, 1146580, 1949186, 3898372, 4872965, 9745930, 19491860]

約数ペア:

[(1, 19491860), (2, 9745930), (4, 4872965), (5, 3898372), (10, 1949186), (17, 1146580), (20, 974593), (34, 573290), (68, 286645), (85, 229316), (170, 114658), (340, 57329)]