18650884

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28961}}^1$

素因数の和:28995

約数の個数: 24

約数和(自身を含む): 38924928

約数和(自身を除く): 20274044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 28961, 57922, 115844, 202727, 405454, 666103, 810908, 1332206, 2664412, 4662721, 9325442, 18650884]

約数ペア:

[(1, 18650884), (2, 9325442), (4, 4662721), (7, 2664412), (14, 1332206), (23, 810908), (28, 666103), (46, 405454), (92, 202727), (161, 115844), (322, 57922), (644, 28961)]