19271109

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1549}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 31248000

約数和(自身を除く): 11976891

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 319, 377, 429, 957, 1131, 1549, 4147, 4647, 12441, 17039, 20137, 44921, 51117, 60411, 134763, 221507, 494131, 583973, 664521, 1482393, 1751919, 6423703, 19271109]

約数ペア:

[(1, 19271109), (3, 6423703), (11, 1751919), (13, 1482393), (29, 664521), (33, 583973), (39, 494131), (87, 221507), (143, 134763), (319, 60411), (377, 51117), (429, 44921), (957, 20137), (1131, 17039), (1549, 12441), (4147, 4647)]