19229872

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{4987}}^1$

素因数の和:5236

約数の個数: 20

約数和(自身を含む): 37419976

約数和(自身を除く): 18190104

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 4987, 9974, 19948, 39896, 79792, 1201867, 2403734, 4807468, 9614936, 19229872]

約数ペア:

[(1, 19229872), (2, 9614936), (4, 4807468), (8, 2403734), (16, 1201867), (241, 79792), (482, 39896), (964, 19948), (1928, 9974), (3856, 4987)]