18642236

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2089}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 34409760

約数和(自身を除く): 15767524

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2089, 2231, 4178, 4462, 8356, 8924, 48047, 96094, 192188, 202633, 405266, 810532, 4660559, 9321118, 18642236]

約数ペア:

[(1, 18642236), (2, 9321118), (4, 4660559), (23, 810532), (46, 405266), (92, 202633), (97, 192188), (194, 96094), (388, 48047), (2089, 8924), (2231, 8356), (4178, 4462)]