18969052

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 33849200

約数和(自身を除く): 14880148

約数列:

[1, 2, 4, 109, 139, 218, 278, 313, 436, 556, 626, 1252, 15151, 30302, 34117, 43507, 60604, 68234, 87014, 136468, 174028, 4742263, 9484526, 18969052]

約数ペア:

[(1, 18969052), (2, 9484526), (4, 4742263), (109, 174028), (139, 136468), (218, 87014), (278, 68234), (313, 60604), (436, 43507), (556, 34117), (626, 30302), (1252, 15151)]