18687039

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2843}}^1$

素因数の和:3166

約数の個数: 16

約数和(自身を含む): 28576512

約数和(自身を除く): 9889473

約数列:

[1, 3, 7, 21, 313, 939, 2191, 2843, 6573, 8529, 19901, 59703, 889859, 2669577, 6229013, 18687039]

約数ペア:

[(1, 18687039), (3, 6229013), (7, 2669577), (21, 889859), (313, 59703), (939, 19901), (2191, 8529), (2843, 6573)]