19981066

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{62053}}^1$

素因数の和:62085

約数の個数: 16

約数和(自身を含む): 35743104

約数和(自身を除く): 15762038

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 62053, 124106, 434371, 868742, 1427219, 2854438, 9990533, 19981066]

約数ペア:

[(1, 19981066), (2, 9990533), (7, 2854438), (14, 1427219), (23, 868742), (46, 434371), (161, 124106), (322, 62053)]