18741639

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28789}}^1$

素因数の和:28830

約数の個数: 16

約数和(自身を含む): 29480960

約数和(自身を除く): 10739321

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 28789, 86367, 201523, 604569, 892459, 2677377, 6247213, 18741639]

約数ペア:

[(1, 18741639), (3, 6247213), (7, 2677377), (21, 892459), (31, 604569), (93, 201523), (217, 86367), (651, 28789)]