19578978

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{23143}}^1$

素因数の和:23198

約数の個数: 24

約数和(自身を含む): 43325568

約数和(自身を除く): 23746590

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 23143, 46286, 69429, 138858, 208287, 416574, 1087721, 2175442, 3263163, 6526326, 9789489, 19578978]

約数ペア:

[(1, 19578978), (2, 9789489), (3, 6526326), (6, 3263163), (9, 2175442), (18, 1087721), (47, 416574), (94, 208287), (141, 138858), (282, 69429), (423, 46286), (846, 23143)]