19642635

素因数分解:

$3^3\times 5^1\times {\mathrm{145501}}^1$

素因数の和:145515

約数の個数: 16

約数和(自身を含む): 34920480

約数和(自身を除く): 15277845

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 145501, 436503, 727505, 1309509, 2182515, 3928527, 6547545, 19642635]

約数ペア:

[(1, 19642635), (3, 6547545), (5, 3928527), (9, 2182515), (15, 1309509), (27, 727505), (45, 436503), (135, 145501)]