19445216

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1911

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 25261600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 188, 224, 329, 376, 658, 752, 1316, 1504, 1847, 2632, 3694, 5264, 7388, 10528, 12929, 14776, 25858, 29552, 51716, 59104, 86809, 103432, 173618, 206864, 347236, 413728, 607663, 694472, 1215326, 1388944, 2430652, 2777888, 4861304, 9722608, 19445216]

約数ペア:

[(1, 19445216), (2, 9722608), (4, 4861304), (7, 2777888), (8, 2430652), (14, 1388944), (16, 1215326), (28, 694472), (32, 607663), (47, 413728), (56, 347236), (94, 206864), (112, 173618), (188, 103432), (224, 86809), (329, 59104), (376, 51716), (658, 29552), (752, 25858), (1316, 14776), (1504, 12929), (1847, 10528), (2632, 7388), (3694, 5264)]