18845529

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 25681920

約数和(自身を除く): 6836391

約数列:

[1, 3, 79, 131, 237, 393, 607, 1821, 10349, 31047, 47953, 79517, 143859, 238551, 6281843, 18845529]

約数ペア:

[(1, 18845529), (3, 6281843), (79, 238551), (131, 143859), (237, 79517), (393, 47953), (607, 31047), (1821, 10349)]