19109288

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 41496000

約数和(自身を除く): 22386712

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1039, 1672, 2078, 2299, 4156, 4598, 8312, 9196, 11429, 18392, 19741, 22858, 39482, 45716, 78964, 91432, 125719, 157928, 217151, 251438, 434302, 502876, 868604, 1005752, 1737208, 2388661, 4777322, 9554644, 19109288]

約数ペア:

[(1, 19109288), (2, 9554644), (4, 4777322), (8, 2388661), (11, 1737208), (19, 1005752), (22, 868604), (38, 502876), (44, 434302), (76, 251438), (88, 217151), (121, 157928), (152, 125719), (209, 91432), (242, 78964), (418, 45716), (484, 39482), (836, 22858), (968, 19741), (1039, 18392), (1672, 11429), (2078, 9196), (2299, 8312), (4156, 4598)]