18515278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4157}}^1$

素因数の和:4307

約数の個数: 16

約数和(自身を含む): 29638224

約数和(自身を除く): 11122946

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4157, 4454, 8314, 70669, 141338, 544567, 1089134, 9257639, 18515278]

約数ペア:

[(1, 18515278), (2, 9257639), (17, 1089134), (34, 544567), (131, 141338), (262, 70669), (2227, 8314), (4157, 4454)]