19870872

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 58947120

約数和(自身を除く): 39076248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 61, 84, 98, 122, 147, 168, 183, 196, 244, 277, 294, 366, 392, 427, 488, 554, 588, 732, 831, 854, 1108, 1176, 1281, 1464, 1662, 1708, 1939, 2216, 2562, 2989, 3324, 3416, 3878, 5124, 5817, 5978, 6648, 7756, 8967, 10248, 11634, 11956, 13573, 15512, 16897, 17934, 23268, 23912, 27146, 33794, 35868, 40719, 46536, 50691, 54292, 67588, 71736, 81438, 101382, 108584, 118279, 135176, 162876, 202764, 236558, 325752, 354837, 405528, 473116, 709674, 827953, 946232, 1419348, 1655906, 2483859, 2838696, 3311812, 4967718, 6623624, 9935436, 19870872]

約数ペア:

[(1, 19870872), (2, 9935436), (3, 6623624), (4, 4967718), (6, 3311812), (7, 2838696), (8, 2483859), (12, 1655906), (14, 1419348), (21, 946232), (24, 827953), (28, 709674), (42, 473116), (49, 405528), (56, 354837), (61, 325752), (84, 236558), (98, 202764), (122, 162876), (147, 135176), (168, 118279), (183, 108584), (196, 101382), (244, 81438), (277, 71736), (294, 67588), (366, 54292), (392, 50691), (427, 46536), (488, 40719), (554, 35868), (588, 33794), (732, 27146), (831, 23912), (854, 23268), (1108, 17934), (1176, 16897), (1281, 15512), (1464, 13573), (1662, 11956), (1708, 11634), (1939, 10248), (2216, 8967), (2562, 7756), (2989, 6648), (3324, 5978), (3416, 5817), (3878, 5124)]