19460004879

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 32586301440

約数和(自身を除く): 13126296561

約数列:

[1, 3, 7, 21, 29, 43, 47, 87, 97, 129, 141, 163, 203, 291, 301, 329, 489, 609, 679, 903, 987, 1141, 1247, 1363, 2021, 2037, 2813, 3423, 3741, 4089, 4171, 4559, 4727, 6063, 7009, 7661, 8439, 8729, 9541, 12513, 13677, 14147, 14181, 15811, 19691, 21027, 22983, 26187, 28623, 29197, 31913, 33089, 42441, 47433, 49063, 53627, 58609, 59073, 87591, 95739, 99267, 110677, 120959, 132211, 147189, 160881, 175827, 196037, 203261, 222169, 329423, 332031, 362877, 396633, 410263, 458519, 588111, 609783, 666507, 679873, 743117, 846713, 925477, 988269, 1230789, 1372259, 1375557, 1422827, 1555183, 2039619, 2229351, 2305961, 2540139, 2776431, 3209633, 4116777, 4268481, 4665549, 4759111, 5201819, 5685073, 6917883, 9553267, 9628899, 14277333, 15605457, 17055219, 19716317, 21550393, 28659801, 31954031, 39795511, 59148951, 64651179, 66872869, 95862093, 119386533, 138014219, 150852751, 200618607, 223678217, 414042657, 452558253, 671034651, 926666899, 2780000697, 6486668293, 19460004879]

約数ペア:

[(1, 19460004879), (3, 6486668293), (7, 2780000697), (21, 926666899), (29, 671034651), (43, 452558253), (47, 414042657), (87, 223678217), (97, 200618607), (129, 150852751), (141, 138014219), (163, 119386533), (203, 95862093), (291, 66872869), (301, 64651179), (329, 59148951), (489, 39795511), (609, 31954031), (679, 28659801), (903, 21550393), (987, 19716317), (1141, 17055219), (1247, 15605457), (1363, 14277333), (2021, 9628899), (2037, 9553267), (2813, 6917883), (3423, 5685073), (3741, 5201819), (4089, 4759111), (4171, 4665549), (4559, 4268481), (4727, 4116777), (6063, 3209633), (7009, 2776431), (7661, 2540139), (8439, 2305961), (8729, 2229351), (9541, 2039619), (12513, 1555183), (13677, 1422827), (14147, 1375557), (14181, 1372259), (15811, 1230789), (19691, 988269), (21027, 925477), (22983, 846713), (26187, 743117), (28623, 679873), (29197, 666507), (31913, 609783), (33089, 588111), (42441, 458519), (47433, 410263), (49063, 396633), (53627, 362877), (58609, 332031), (59073, 329423), (87591, 222169), (95739, 203261), (99267, 196037), (110677, 175827), (120959, 160881), (132211, 147189)]