18400918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{661}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 28598400

約数和(自身を除く): 10197482

約数列:

[1, 2, 31, 62, 449, 661, 898, 1322, 13919, 20491, 27838, 40982, 296789, 593578, 9200459, 18400918]

約数ペア:

[(1, 18400918), (2, 9200459), (31, 593578), (62, 296789), (449, 40982), (661, 27838), (898, 20491), (1322, 13919)]