18258184

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 40711680

約数和(自身を除く): 22453496

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 991, 1316, 1982, 2303, 2632, 3964, 4606, 6937, 7928, 9212, 13874, 18424, 27748, 46577, 48559, 55496, 93154, 97118, 186308, 194236, 326039, 372616, 388472, 652078, 1304156, 2282273, 2608312, 4564546, 9129092, 18258184]

約数ペア:

[(1, 18258184), (2, 9129092), (4, 4564546), (7, 2608312), (8, 2282273), (14, 1304156), (28, 652078), (47, 388472), (49, 372616), (56, 326039), (94, 194236), (98, 186308), (188, 97118), (196, 93154), (329, 55496), (376, 48559), (392, 46577), (658, 27748), (991, 18424), (1316, 13874), (1982, 9212), (2303, 7928), (2632, 6937), (3964, 4606)]