19777728

素因数分解:

$2^6\times 3^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:685

約数の個数: 56

約数和(自身を含む): 52669440

約数和(自身を除く): 32891712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 239, 431, 478, 717, 862, 956, 1293, 1434, 1724, 1912, 2586, 2868, 3448, 3824, 5172, 5736, 6896, 7648, 10344, 11472, 13792, 15296, 20688, 22944, 27584, 41376, 45888, 82752, 103009, 206018, 309027, 412036, 618054, 824072, 1236108, 1648144, 2472216, 3296288, 4944432, 6592576, 9888864, 19777728]

約数ペア:

[(1, 19777728), (2, 9888864), (3, 6592576), (4, 4944432), (6, 3296288), (8, 2472216), (12, 1648144), (16, 1236108), (24, 824072), (32, 618054), (48, 412036), (64, 309027), (96, 206018), (192, 103009), (239, 82752), (431, 45888), (478, 41376), (717, 27584), (862, 22944), (956, 20688), (1293, 15296), (1434, 13792), (1724, 11472), (1912, 10344), (2586, 7648), (2868, 6896), (3448, 5736), (3824, 5172)]