1813642

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:557

約数の個数: 16

約数和(自身を含む): 2877120

約数和(自身を除く): 1063478

約数列:

[1, 2, 23, 46, 89, 178, 443, 886, 2047, 4094, 10189, 20378, 39427, 78854, 906821, 1813642]

約数ペア:

[(1, 1813642), (2, 906821), (23, 78854), (46, 39427), (89, 20378), (178, 10189), (443, 4094), (886, 2047)]