17988966

素因数分解:

$2^1\times 3^4\times {\mathrm{111043}}^1$

素因数の和:111057

約数の個数: 20

約数和(自身を含む): 40308972

約数和(自身を除く): 22320006

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 111043, 222086, 333129, 666258, 999387, 1998774, 2998161, 5996322, 8994483, 17988966]

約数ペア:

[(1, 17988966), (2, 8994483), (3, 5996322), (6, 2998161), (9, 1998774), (18, 999387), (27, 666258), (54, 333129), (81, 222086), (162, 111043)]