19399146536

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{443551}}^1$

素因数の和:443646

約数の個数: 64

約数和(自身を含む): 45987471360

約数和(自身を除く): 26588324824

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 497, 568, 616, 781, 994, 1562, 1988, 3124, 3976, 5467, 6248, 10934, 21868, 43736, 443551, 887102, 1774204, 3104857, 3548408, 4879061, 6209714, 9758122, 12419428, 19516244, 24838856, 31492121, 34153427, 39032488, 62984242, 68306854, 125968484, 136613708, 220444847, 251936968, 273227416, 346413331, 440889694, 692826662, 881779388, 1385653324, 1763558776, 2424893317, 2771306648, 4849786634, 9699573268, 19399146536]

約数ペア:

[(1, 19399146536), (2, 9699573268), (4, 4849786634), (7, 2771306648), (8, 2424893317), (11, 1763558776), (14, 1385653324), (22, 881779388), (28, 692826662), (44, 440889694), (56, 346413331), (71, 273227416), (77, 251936968), (88, 220444847), (142, 136613708), (154, 125968484), (284, 68306854), (308, 62984242), (497, 39032488), (568, 34153427), (616, 31492121), (781, 24838856), (994, 19516244), (1562, 12419428), (1988, 9758122), (3124, 6209714), (3976, 4879061), (5467, 3548408), (6248, 3104857), (10934, 1774204), (21868, 887102), (43736, 443551)]