18217983

素因数分解:

$3^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{1049}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 9602817

約数列:

[1, 3, 7, 21, 827, 1049, 2481, 3147, 5789, 7343, 17367, 22029, 867523, 2602569, 6072661, 18217983]

約数ペア:

[(1, 18217983), (3, 6072661), (7, 2602569), (21, 867523), (827, 22029), (1049, 17367), (2481, 7343), (3147, 5789)]