19667872

素因数分解:

$2^5\times 7^1\times {\mathrm{87803}}^1$

素因数の和:87820

約数の個数: 24

約数和(自身を含む): 44253216

約数和(自身を除く): 24585344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 87803, 175606, 351212, 614621, 702424, 1229242, 1404848, 2458484, 2809696, 4916968, 9833936, 19667872]

約数ペア:

[(1, 19667872), (2, 9833936), (4, 4916968), (7, 2809696), (8, 2458484), (14, 1404848), (16, 1229242), (28, 702424), (32, 614621), (56, 351212), (112, 175606), (224, 87803)]