19319984

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22783}}^1$

素因数の和:22844

約数の個数: 20

約数和(自身を含む): 38140416

約数和(自身を除く): 18820432

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22783, 45566, 91132, 182264, 364528, 1207499, 2414998, 4829996, 9659992, 19319984]

約数ペア:

[(1, 19319984), (2, 9659992), (4, 4829996), (8, 2414998), (16, 1207499), (53, 364528), (106, 182264), (212, 91132), (424, 45566), (848, 22783)]