19839008

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2857}}^1$

素因数の和:2905

約数の個数: 48

約数和(自身を含む): 46093824

約数和(自身を除く): 26254816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2857, 3472, 5714, 6944, 11428, 19999, 22856, 39998, 45712, 79996, 88567, 91424, 159992, 177134, 319984, 354268, 619969, 639968, 708536, 1239938, 1417072, 2479876, 2834144, 4959752, 9919504, 19839008]

約数ペア:

[(1, 19839008), (2, 9919504), (4, 4959752), (7, 2834144), (8, 2479876), (14, 1417072), (16, 1239938), (28, 708536), (31, 639968), (32, 619969), (56, 354268), (62, 319984), (112, 177134), (124, 159992), (217, 91424), (224, 88567), (248, 79996), (434, 45712), (496, 39998), (868, 22856), (992, 19999), (1736, 11428), (2857, 6944), (3472, 5714)]