17993998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19949}}^1$

素因数の和:20003

約数の個数: 16

約数和(自身を含む): 30164400

約数和(自身を除く): 12170402

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 19949, 39898, 219439, 438878, 817909, 1635818, 8996999, 17993998]

約数ペア:

[(1, 17993998), (2, 8996999), (11, 1635818), (22, 817909), (41, 438878), (82, 219439), (451, 39898), (902, 19949)]