18340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 44352

約数和(自身を除く): 26012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 18340]

約数ペア:

[(1, 18340), (2, 9170), (4, 4585), (5, 3668), (7, 2620), (10, 1834), (14, 1310), (20, 917), (28, 655), (35, 524), (70, 262), (131, 140)]