18948465

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 34056960

約数和(自身を除く): 15108495

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1447, 1455, 2619, 4341, 4365, 7235, 13023, 13095, 21705, 39069, 65115, 140359, 195345, 421077, 701795, 1263231, 2105385, 3789693, 6316155, 18948465]

約数ペア:

[(1, 18948465), (3, 6316155), (5, 3789693), (9, 2105385), (15, 1263231), (27, 701795), (45, 421077), (97, 195345), (135, 140359), (291, 65115), (485, 39069), (873, 21705), (1447, 13095), (1455, 13023), (2619, 7235), (4341, 4365)]