19448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:47

約数の個数: 32

約数和(自身を含む): 45360

約数和(自身を除く): 25912

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2431, 4862, 9724, 19448]

約数ペア:

[(1, 19448), (2, 9724), (4, 4862), (8, 2431), (11, 1768), (13, 1496), (17, 1144), (22, 884), (26, 748), (34, 572), (44, 442), (52, 374), (68, 286), (88, 221), (104, 187), (136, 143)]