18286660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130619}}^1$

素因数の和:130635

約数の個数: 24

約数和(自身を含む): 43888320

約数和(自身を除く): 25601660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130619, 261238, 522476, 653095, 914333, 1306190, 1828666, 2612380, 3657332, 4571665, 9143330, 18286660]

約数ペア:

[(1, 18286660), (2, 9143330), (4, 4571665), (5, 3657332), (7, 2612380), (10, 1828666), (14, 1306190), (20, 914333), (28, 653095), (35, 522476), (70, 261238), (140, 130619)]