18985072

素因数分解:

$2^4\times {\mathrm{769}}^1\times {\mathrm{1543}}^1$

素因数の和:2320

約数の個数: 20

約数和(自身を含む): 36855280

約数和(自身を除く): 17870208

約数列:

[1, 2, 4, 8, 16, 769, 1538, 1543, 3076, 3086, 6152, 6172, 12304, 12344, 24688, 1186567, 2373134, 4746268, 9492536, 18985072]

約数ペア:

[(1, 18985072), (2, 9492536), (4, 4746268), (8, 2373134), (16, 1186567), (769, 24688), (1538, 12344), (1543, 12304), (3076, 6172), (3086, 6152)]