18994718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1597}}^1$

素因数の和:1931

約数の個数: 16

約数和(自身を含む): 30106320

約数和(自身を除く): 11111602

約数列:

[1, 2, 19, 38, 313, 626, 1597, 3194, 5947, 11894, 30343, 60686, 499861, 999722, 9497359, 18994718]

約数ペア:

[(1, 18994718), (2, 9497359), (19, 999722), (38, 499861), (313, 60686), (626, 30343), (1597, 11894), (3194, 5947)]