18898413

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 25749696

約数和(自身を除く): 6851283

約数列:

[1, 3, 97, 101, 291, 303, 643, 1929, 9797, 29391, 62371, 64943, 187113, 194829, 6299471, 18898413]

約数ペア:

[(1, 18898413), (3, 6299471), (97, 194829), (101, 187113), (291, 64943), (303, 62371), (643, 29391), (1929, 9797)]