17886978

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{21143}}^1$

素因数の和:21198

約数の個数: 24

約数和(自身を含む): 39581568

約数和(自身を除く): 21694590

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 21143, 42286, 63429, 126858, 190287, 380574, 993721, 1987442, 2981163, 5962326, 8943489, 17886978]

約数ペア:

[(1, 17886978), (2, 8943489), (3, 5962326), (6, 2981163), (9, 1987442), (18, 993721), (47, 380574), (94, 190287), (141, 126858), (282, 63429), (423, 42286), (846, 21143)]