18141808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 19355792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 664, 719, 1328, 1438, 1577, 2876, 3154, 5752, 6308, 11504, 12616, 13661, 25232, 27322, 54644, 59677, 109288, 119354, 218576, 238708, 477416, 954832, 1133863, 2267726, 4535452, 9070904, 18141808]

約数ペア:

[(1, 18141808), (2, 9070904), (4, 4535452), (8, 2267726), (16, 1133863), (19, 954832), (38, 477416), (76, 238708), (83, 218576), (152, 119354), (166, 109288), (304, 59677), (332, 54644), (664, 27322), (719, 25232), (1328, 13661), (1438, 12616), (1577, 11504), (2876, 6308), (3154, 5752)]