18840165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73883}}^1$

素因数の和:73908

約数の個数: 16

約数和(自身を含む): 31917888

約数和(自身を除く): 13077723

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 73883, 221649, 369415, 1108245, 1256011, 3768033, 6280055, 18840165]

約数ペア:

[(1, 18840165), (3, 6280055), (5, 3768033), (15, 1256011), (17, 1108245), (51, 369415), (85, 221649), (255, 73883)]