19239902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28211}}^1$

素因数の和:28255

約数の個数: 16

約数和(自身を含む): 32500224

約数和(自身を除く): 13260322

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28211, 56422, 310321, 620642, 874541, 1749082, 9619951, 19239902]

約数ペア:

[(1, 19239902), (2, 9619951), (11, 1749082), (22, 874541), (31, 620642), (62, 310321), (341, 56422), (682, 28211)]