19818135

素因数分解:

$3^3\times 5^1\times {\mathrm{146801}}^1$

素因数の和:146815

約数の個数: 16

約数和(自身を含む): 35232480

約数和(自身を除く): 15414345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 146801, 440403, 734005, 1321209, 2202015, 3963627, 6606045, 19818135]

約数ペア:

[(1, 19818135), (3, 6606045), (5, 3963627), (9, 2202015), (15, 1321209), (27, 734005), (45, 440403), (135, 146801)]