18472139

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 22001088

約数和(自身を除く): 3528949

約数列:

[1, 7, 37, 73, 259, 511, 977, 2701, 6839, 18907, 36149, 71321, 253043, 499247, 2638877, 18472139]

約数ペア:

[(1, 18472139), (7, 2638877), (37, 499247), (73, 253043), (259, 71321), (511, 36149), (977, 18907), (2701, 6839)]