19115536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{347}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 40649184

約数和(自身を除く): 21533648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 313, 347, 626, 694, 1252, 1388, 2504, 2776, 3443, 3817, 5008, 5552, 6886, 7634, 13772, 15268, 27544, 30536, 55088, 61072, 108611, 217222, 434444, 868888, 1194721, 1737776, 2389442, 4778884, 9557768, 19115536]

約数ペア:

[(1, 19115536), (2, 9557768), (4, 4778884), (8, 2389442), (11, 1737776), (16, 1194721), (22, 868888), (44, 434444), (88, 217222), (176, 108611), (313, 61072), (347, 55088), (626, 30536), (694, 27544), (1252, 15268), (1388, 13772), (2504, 7634), (2776, 6886), (3443, 5552), (3817, 5008)]