18661212

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{1319}}^1$

素因数の和:1463

約数の個数: 48

約数和(自身を含む): 48787200

約数和(自身を除く): 30125988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1319, 1572, 2358, 2638, 3537, 3957, 4716, 5276, 7074, 7914, 11871, 14148, 15828, 23742, 35613, 47484, 71226, 142452, 172789, 345578, 518367, 691156, 1036734, 1555101, 2073468, 3110202, 4665303, 6220404, 9330606, 18661212]

約数ペア:

[(1, 18661212), (2, 9330606), (3, 6220404), (4, 4665303), (6, 3110202), (9, 2073468), (12, 1555101), (18, 1036734), (27, 691156), (36, 518367), (54, 345578), (108, 172789), (131, 142452), (262, 71226), (393, 47484), (524, 35613), (786, 23742), (1179, 15828), (1319, 14148), (1572, 11871), (2358, 7914), (2638, 7074), (3537, 5276), (3957, 4716)]