17680644

素因数分解:

$2^2\times 3^2\times {\mathrm{491129}}^1$

素因数の和:491139

約数の個数: 18

約数和(自身を含む): 44692830

約数和(自身を除く): 27012186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491129, 982258, 1473387, 1964516, 2946774, 4420161, 5893548, 8840322, 17680644]

約数ペア:

[(1, 17680644), (2, 8840322), (3, 5893548), (4, 4420161), (6, 2946774), (9, 1964516), (12, 1473387), (18, 982258), (36, 491129)]