19518812

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{212161}}^1$

素因数の和:212188

約数の個数: 12

約数和(自身を含む): 35643216

約数和(自身を除く): 16124404

約数列:

[1, 2, 4, 23, 46, 92, 212161, 424322, 848644, 4879703, 9759406, 19518812]

約数ペア:

[(1, 19518812), (2, 9759406), (4, 4879703), (23, 848644), (46, 424322), (92, 212161)]