18881962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{4447}}^1$

素因数の和:4653

約数の個数: 16

約数和(自身を含む): 31064832

約数和(自身を除く): 12182870

約数列:

[1, 2, 11, 22, 193, 386, 2123, 4246, 4447, 8894, 48917, 97834, 858271, 1716542, 9440981, 18881962]

約数ペア:

[(1, 18881962), (2, 9440981), (11, 1716542), (22, 858271), (193, 97834), (386, 48917), (2123, 8894), (4246, 4447)]