19984832

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1489

約数の個数: 56

約数和(自身を含む): 46817280

約数和(自身を除く): 26832448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1439, 1736, 1984, 2878, 3472, 5756, 6944, 10073, 11512, 13888, 20146, 23024, 40292, 44609, 46048, 80584, 89218, 92096, 161168, 178436, 312263, 322336, 356872, 624526, 644672, 713744, 1249052, 1427488, 2498104, 2854976, 4996208, 9992416, 19984832]

約数ペア:

[(1, 19984832), (2, 9992416), (4, 4996208), (7, 2854976), (8, 2498104), (14, 1427488), (16, 1249052), (28, 713744), (31, 644672), (32, 624526), (56, 356872), (62, 322336), (64, 312263), (112, 178436), (124, 161168), (217, 92096), (224, 89218), (248, 80584), (434, 46048), (448, 44609), (496, 40292), (868, 23024), (992, 20146), (1439, 13888), (1736, 11512), (1984, 10073), (2878, 6944), (3472, 5756)]