18613630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37987}}^1$

素因数の和:38008

約数の個数: 24

約数和(自身を含む): 38975688

約数和(自身を除く): 20362058

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 37987, 75974, 189935, 265909, 379870, 531818, 1329545, 1861363, 2659090, 3722726, 9306815, 18613630]

約数ペア:

[(1, 18613630), (2, 9306815), (5, 3722726), (7, 2659090), (10, 1861363), (14, 1329545), (35, 531818), (49, 379870), (70, 265909), (98, 189935), (245, 75974), (490, 37987)]