18440172

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 51105600

約数和(自身を除く): 32665428

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1039, 1044, 1479, 1972, 2078, 2958, 3117, 4156, 4437, 5916, 6234, 8874, 9351, 12468, 17663, 17748, 18702, 30131, 35326, 37404, 52989, 60262, 70652, 90393, 105978, 120524, 158967, 180786, 211956, 271179, 317934, 361572, 512227, 542358, 635868, 1024454, 1084716, 1536681, 2048908, 3073362, 4610043, 6146724, 9220086, 18440172]

約数ペア:

[(1, 18440172), (2, 9220086), (3, 6146724), (4, 4610043), (6, 3073362), (9, 2048908), (12, 1536681), (17, 1084716), (18, 1024454), (29, 635868), (34, 542358), (36, 512227), (51, 361572), (58, 317934), (68, 271179), (87, 211956), (102, 180786), (116, 158967), (153, 120524), (174, 105978), (204, 90393), (261, 70652), (306, 60262), (348, 52989), (493, 37404), (522, 35326), (612, 30131), (986, 18702), (1039, 17748), (1044, 17663), (1479, 12468), (1972, 9351), (2078, 8874), (2958, 6234), (3117, 5916), (4156, 4437)]