18784864

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4933}}^1$

素因数の和:4967

約数の個数: 48

約数和(自身を含む): 44761248

約数和(自身を除く): 25976384

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 4933, 9866, 19732, 34531, 39464, 69062, 78928, 83861, 138124, 157856, 167722, 276248, 335444, 552496, 587027, 670888, 1104992, 1174054, 1341776, 2348108, 2683552, 4696216, 9392432, 18784864]

約数ペア:

[(1, 18784864), (2, 9392432), (4, 4696216), (7, 2683552), (8, 2348108), (14, 1341776), (16, 1174054), (17, 1104992), (28, 670888), (32, 587027), (34, 552496), (56, 335444), (68, 276248), (112, 167722), (119, 157856), (136, 138124), (224, 83861), (238, 78928), (272, 69062), (476, 39464), (544, 34531), (952, 19732), (1904, 9866), (3808, 4933)]