9821290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51691}}^1$

素因数の和:51717

約数の個数: 16

約数和(自身を含む): 18609120

約数和(自身を除く): 8787830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 51691, 103382, 258455, 516910, 982129, 1964258, 4910645, 9821290]

約数ペア:

[(1, 9821290), (2, 4910645), (5, 1964258), (10, 982129), (19, 516910), (38, 258455), (95, 103382), (190, 51691)]