19979456

素因数分解:

$2^6\times 7^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:326

約数の個数: 84

約数和(自身を含む): 48298608

約数和(自身を除く): 28319152

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 161, 184, 196, 224, 277, 322, 368, 392, 448, 554, 644, 736, 784, 1108, 1127, 1288, 1472, 1568, 1939, 2216, 2254, 2576, 3136, 3878, 4432, 4508, 5152, 6371, 7756, 8864, 9016, 10304, 12742, 13573, 15512, 17728, 18032, 25484, 27146, 31024, 36064, 44597, 50968, 54292, 62048, 72128, 89194, 101936, 108584, 124096, 178388, 203872, 217168, 312179, 356776, 407744, 434336, 624358, 713552, 868672, 1248716, 1427104, 2497432, 2854208, 4994864, 9989728, 19979456]

約数ペア:

[(1, 19979456), (2, 9989728), (4, 4994864), (7, 2854208), (8, 2497432), (14, 1427104), (16, 1248716), (23, 868672), (28, 713552), (32, 624358), (46, 434336), (49, 407744), (56, 356776), (64, 312179), (92, 217168), (98, 203872), (112, 178388), (161, 124096), (184, 108584), (196, 101936), (224, 89194), (277, 72128), (322, 62048), (368, 54292), (392, 50968), (448, 44597), (554, 36064), (644, 31024), (736, 27146), (784, 25484), (1108, 18032), (1127, 17728), (1288, 15512), (1472, 13573), (1568, 12742), (1939, 10304), (2216, 9016), (2254, 8864), (2576, 7756), (3136, 6371), (3878, 5152), (4432, 4508)]