18421180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19597}}^1$

素因数の和:19653

約数の個数: 24

約数和(自身を含む): 39509568

約数和(自身を除く): 21088388

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19597, 39194, 78388, 97985, 195970, 391940, 921059, 1842118, 3684236, 4605295, 9210590, 18421180]

約数ペア:

[(1, 18421180), (2, 9210590), (4, 4605295), (5, 3684236), (10, 1842118), (20, 921059), (47, 391940), (94, 195970), (188, 97985), (235, 78388), (470, 39194), (940, 19597)]