18387428

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 32792760

約数和(自身を除く): 14405332

約数列:

[1, 2, 4, 109, 181, 218, 233, 362, 436, 466, 724, 932, 19729, 25397, 39458, 42173, 50794, 78916, 84346, 101588, 168692, 4596857, 9193714, 18387428]

約数ペア:

[(1, 18387428), (2, 9193714), (4, 4596857), (109, 168692), (181, 101588), (218, 84346), (233, 78916), (362, 50794), (436, 42173), (466, 39458), (724, 25397), (932, 19729)]