18301671549

素因数分解:

$3^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2213}}^1$

素因数の和:2309

約数の個数: 128

約数和(自身を含む): 34007040000

約数和(自身を除く): 15705368451

約数列:

[1, 3, 7, 9, 19, 21, 27, 47, 49, 57, 63, 133, 141, 147, 171, 189, 329, 343, 399, 423, 441, 513, 893, 931, 987, 1029, 1197, 1269, 1323, 2213, 2303, 2679, 2793, 2961, 3087, 3591, 6251, 6517, 6639, 6909, 8037, 8379, 8883, 9261, 15491, 16121, 18753, 19551, 19917, 20727, 24111, 25137, 42047, 43757, 46473, 48363, 56259, 58653, 59751, 62181, 104011, 108437, 126141, 131271, 139419, 145089, 168777, 175959, 294329, 306299, 312033, 325311, 378423, 393813, 418257, 435267, 728077, 759059, 882987, 918897, 936099, 975933, 1135269, 1181439, 1976209, 2060303, 2184231, 2277177, 2648961, 2756691, 2808297, 2927799, 5096539, 5928627, 6180909, 6552693, 6831531, 7946883, 8270073, 13833463, 14422121, 15289617, 17785881, 18542727, 19658079, 20494593, 35675773, 41500389, 43266363, 45868851, 53357643, 55628181, 96834241, 107027319, 124501167, 129799089, 137606553, 290502723, 321081957, 373503501, 389397267, 677839687, 871508169, 963245871, 2033519061, 2614524507, 6100557183, 18301671549]

約数ペア:

[(1, 18301671549), (3, 6100557183), (7, 2614524507), (9, 2033519061), (19, 963245871), (21, 871508169), (27, 677839687), (47, 389397267), (49, 373503501), (57, 321081957), (63, 290502723), (133, 137606553), (141, 129799089), (147, 124501167), (171, 107027319), (189, 96834241), (329, 55628181), (343, 53357643), (399, 45868851), (423, 43266363), (441, 41500389), (513, 35675773), (893, 20494593), (931, 19658079), (987, 18542727), (1029, 17785881), (1197, 15289617), (1269, 14422121), (1323, 13833463), (2213, 8270073), (2303, 7946883), (2679, 6831531), (2793, 6552693), (2961, 6180909), (3087, 5928627), (3591, 5096539), (6251, 2927799), (6517, 2808297), (6639, 2756691), (6909, 2648961), (8037, 2277177), (8379, 2184231), (8883, 2060303), (9261, 1976209), (15491, 1181439), (16121, 1135269), (18753, 975933), (19551, 936099), (19917, 918897), (20727, 882987), (24111, 759059), (25137, 728077), (42047, 435267), (43757, 418257), (46473, 393813), (48363, 378423), (56259, 325311), (58653, 312033), (59751, 306299), (62181, 294329), (104011, 175959), (108437, 168777), (126141, 145089), (131271, 139419)]