19017911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1382

約数の個数: 16

約数和(自身を含む): 21931008

約数和(自身を除く): 2913097

約数列:

[1, 11, 31, 43, 341, 473, 1297, 1333, 14267, 14663, 40207, 55771, 442277, 613481, 1728901, 19017911]

約数ペア:

[(1, 19017911), (11, 1728901), (31, 613481), (43, 442277), (341, 55771), (473, 40207), (1297, 14663), (1333, 14267)]