18418120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9397}}^1$

素因数の和:9422

約数の個数: 48

約数和(自身を含む): 48211740

約数和(自身を除く): 29793620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9397, 18794, 37588, 46985, 65779, 75176, 93970, 131558, 187940, 263116, 328895, 375880, 460453, 526232, 657790, 920906, 1315580, 1841812, 2302265, 2631160, 3683624, 4604530, 9209060, 18418120]

約数ペア:

[(1, 18418120), (2, 9209060), (4, 4604530), (5, 3683624), (7, 2631160), (8, 2302265), (10, 1841812), (14, 1315580), (20, 920906), (28, 657790), (35, 526232), (40, 460453), (49, 375880), (56, 328895), (70, 263116), (98, 187940), (140, 131558), (196, 93970), (245, 75176), (280, 65779), (392, 46985), (490, 37588), (980, 18794), (1960, 9397)]