18975286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27823}}^1$

素因数の和:27867

約数の個数: 16

約数和(自身を含む): 32053248

約数和(自身を除く): 13077962

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 27823, 55646, 306053, 612106, 862513, 1725026, 9487643, 18975286]

約数ペア:

[(1, 18975286), (2, 9487643), (11, 1725026), (22, 862513), (31, 612106), (62, 306053), (341, 55646), (682, 27823)]