20190465

素因数分解:

$3^4\times 5^1\times {\mathrm{49853}}^1$

素因数の和:49870

約数の個数: 20

約数和(自身を含む): 36194004

約数和(自身を除く): 16003539

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49853, 149559, 249265, 448677, 747795, 1346031, 2243385, 4038093, 6730155, 20190465]

約数ペア:

[(1, 20190465), (3, 6730155), (5, 4038093), (9, 2243385), (15, 1346031), (27, 747795), (45, 448677), (81, 249265), (135, 149559), (405, 49853)]