19871722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{1063}}^1$

素因数の和:1797

約数の個数: 16

約数和(自身を含む): 32175360

約数和(自身を除く): 12303638

約数列:

[1, 2, 13, 26, 719, 1063, 1438, 2126, 9347, 13819, 18694, 27638, 764297, 1528594, 9935861, 19871722]

約数ペア:

[(1, 19871722), (2, 9935861), (13, 1528594), (26, 764297), (719, 27638), (1063, 18694), (1438, 13819), (2126, 9347)]