18042165

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5647}}^1$

素因数の和:5729

約数の個数: 24

約数和(自身を含む): 31719168

約数和(自身を除く): 13677003

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5647, 16941, 28235, 50823, 84705, 254115, 400937, 1202811, 2004685, 3608433, 6014055, 18042165]

約数ペア:

[(1, 18042165), (3, 6014055), (5, 3608433), (9, 2004685), (15, 1202811), (45, 400937), (71, 254115), (213, 84705), (355, 50823), (639, 28235), (1065, 16941), (3195, 5647)]