18277105

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1637}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 10027535

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 1637, 2233, 8185, 11165, 11459, 18007, 47473, 57295, 90035, 126049, 237365, 332311, 522203, 630245, 1661555, 2611015, 3655421, 18277105]

約数ペア:

[(1, 18277105), (5, 3655421), (7, 2611015), (11, 1661555), (29, 630245), (35, 522203), (55, 332311), (77, 237365), (145, 126049), (203, 90035), (319, 57295), (385, 47473), (1015, 18007), (1595, 11459), (1637, 11165), (2233, 8185)]