18898561

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 21477888

約数和(自身を除く): 2579327

約数列:

[1, 11, 31, 157, 341, 353, 1727, 3883, 4867, 10943, 53537, 55421, 120373, 609631, 1718051, 18898561]

約数ペア:

[(1, 18898561), (11, 1718051), (31, 609631), (157, 120373), (341, 55421), (353, 53537), (1727, 10943), (3883, 4867)]