18901485

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7369}}^1$

素因数の和:7402

約数の個数: 32

約数和(自身を含む): 35376000

約数和(自身を除く): 16474515

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7369, 22107, 36845, 66321, 110535, 140011, 198963, 331605, 420033, 700055, 994815, 1260099, 2100165, 3780297, 6300495, 18901485]

約数ペア:

[(1, 18901485), (3, 6300495), (5, 3780297), (9, 2100165), (15, 1260099), (19, 994815), (27, 700055), (45, 420033), (57, 331605), (95, 198963), (135, 140011), (171, 110535), (285, 66321), (513, 36845), (855, 22107), (2565, 7369)]