18664150

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8681}}^1$

素因数の和:8736

約数の個数: 24

約数和(自身を含む): 35526744

約数和(自身を除く): 16862594

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 8681, 17362, 43405, 86810, 217025, 373283, 434050, 746566, 1866415, 3732830, 9332075, 18664150]

約数ペア:

[(1, 18664150), (2, 9332075), (5, 3732830), (10, 1866415), (25, 746566), (43, 434050), (50, 373283), (86, 217025), (215, 86810), (430, 43405), (1075, 17362), (2150, 8681)]