19961872

素因数分解:

$2^4\times 7^1\times {\mathrm{178231}}^1$

素因数の和:178246

約数の個数: 20

約数和(自身を含む): 44201536

約数和(自身を除く): 24239664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178231, 356462, 712924, 1247617, 1425848, 2495234, 2851696, 4990468, 9980936, 19961872]

約数ペア:

[(1, 19961872), (2, 9980936), (4, 4990468), (7, 2851696), (8, 2495234), (14, 1425848), (16, 1247617), (28, 712924), (56, 356462), (112, 178231)]