19154872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5309}}^1$

素因数の和:5367

約数の個数: 32

約数和(自身を含む): 40143600

約数和(自身を除く): 20988728

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5309, 10618, 21236, 42472, 58399, 116798, 217669, 233596, 435338, 467192, 870676, 1741352, 2394359, 4788718, 9577436, 19154872]

約数ペア:

[(1, 19154872), (2, 9577436), (4, 4788718), (8, 2394359), (11, 1741352), (22, 870676), (41, 467192), (44, 435338), (82, 233596), (88, 217669), (164, 116798), (328, 58399), (451, 42472), (902, 21236), (1804, 10618), (3608, 5309)]