18912735

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{307}}^1$

素因数の和:392

約数の個数: 36

約数和(自身を含む): 33801768

約数和(自身を除く): 14889033

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 307, 333, 555, 921, 1369, 1535, 1665, 2763, 4107, 4605, 6845, 11359, 12321, 13815, 20535, 34077, 56795, 61605, 102231, 170385, 420283, 511155, 1260849, 2101415, 3782547, 6304245, 18912735]

約数ペア:

[(1, 18912735), (3, 6304245), (5, 3782547), (9, 2101415), (15, 1260849), (37, 511155), (45, 420283), (111, 170385), (185, 102231), (307, 61605), (333, 56795), (555, 34077), (921, 20535), (1369, 13815), (1535, 12321), (1665, 11359), (2763, 6845), (4107, 4605)]