19506015

素因数分解:

$3^4\times 5^1\times {\mathrm{48163}}^1$

素因数の和:48180

約数の個数: 20

約数和(自身を含む): 34967064

約数和(自身を除く): 15461049

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 48163, 144489, 240815, 433467, 722445, 1300401, 2167335, 3901203, 6502005, 19506015]

約数ペア:

[(1, 19506015), (3, 6502005), (5, 3901203), (9, 2167335), (15, 1300401), (27, 722445), (45, 433467), (81, 240815), (135, 144489), (405, 48163)]