18991752

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2099}}^1$

素因数の和:2150

約数の個数: 64

約数和(自身を含む): 52920000

約数和(自身を除く): 33928248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 232, 312, 348, 377, 696, 754, 1131, 1508, 2099, 2262, 3016, 4198, 4524, 6297, 8396, 9048, 12594, 16792, 25188, 27287, 50376, 54574, 60871, 81861, 109148, 121742, 163722, 182613, 218296, 243484, 327444, 365226, 486968, 654888, 730452, 791323, 1460904, 1582646, 2373969, 3165292, 4747938, 6330584, 9495876, 18991752]

約数ペア:

[(1, 18991752), (2, 9495876), (3, 6330584), (4, 4747938), (6, 3165292), (8, 2373969), (12, 1582646), (13, 1460904), (24, 791323), (26, 730452), (29, 654888), (39, 486968), (52, 365226), (58, 327444), (78, 243484), (87, 218296), (104, 182613), (116, 163722), (156, 121742), (174, 109148), (232, 81861), (312, 60871), (348, 54574), (377, 50376), (696, 27287), (754, 25188), (1131, 16792), (1508, 12594), (2099, 9048), (2262, 8396), (3016, 6297), (4198, 4524)]