18911872

素因数分解:

$2^7\times 7^1\times {\mathrm{21107}}^1$

素因数の和:21128

約数の個数: 32

約数和(自身を含む): 43060320

約数和(自身を除く): 24148448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 21107, 42214, 84428, 147749, 168856, 295498, 337712, 590996, 675424, 1181992, 1350848, 2363984, 2701696, 4727968, 9455936, 18911872]

約数ペア:

[(1, 18911872), (2, 9455936), (4, 4727968), (7, 2701696), (8, 2363984), (14, 1350848), (16, 1181992), (28, 675424), (32, 590996), (56, 337712), (64, 295498), (112, 168856), (128, 147749), (224, 84428), (448, 42214), (896, 21107)]