18957873

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 10901967

約数列:

[1, 3, 11, 17, 33, 47, 51, 141, 187, 517, 561, 719, 799, 1551, 2157, 2397, 7909, 8789, 12223, 23727, 26367, 33793, 36669, 101379, 134453, 371723, 403359, 574481, 1115169, 1723443, 6319291, 18957873]

約数ペア:

[(1, 18957873), (3, 6319291), (11, 1723443), (17, 1115169), (33, 574481), (47, 403359), (51, 371723), (141, 134453), (187, 101379), (517, 36669), (561, 33793), (719, 26367), (799, 23727), (1551, 12223), (2157, 8789), (2397, 7909)]