18996537

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31193}}^1$

素因数の和:31232

約数の個数: 16

約数和(自身を含む): 29946240

約数和(自身を除く): 10949703

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 31193, 93579, 218351, 655053, 904597, 2713791, 6332179, 18996537]

約数ペア:

[(1, 18996537), (3, 6332179), (7, 2713791), (21, 904597), (29, 655053), (87, 218351), (203, 93579), (609, 31193)]