18546416

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3851}}^1$

素因数の和:3909

約数の個数: 40

約数和(自身を含む): 42033024

約数和(自身を除く): 23486608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 3851, 4816, 7702, 15404, 26957, 30808, 53914, 61616, 107828, 165593, 215656, 331186, 431312, 662372, 1159151, 1324744, 2318302, 2649488, 4636604, 9273208, 18546416]

約数ペア:

[(1, 18546416), (2, 9273208), (4, 4636604), (7, 2649488), (8, 2318302), (14, 1324744), (16, 1159151), (28, 662372), (43, 431312), (56, 331186), (86, 215656), (112, 165593), (172, 107828), (301, 61616), (344, 53914), (602, 30808), (688, 26957), (1204, 15404), (2408, 7702), (3851, 4816)]