18759309

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4691}}^1$

素因数の和:4768

約数の個数: 16

約数和(自身を含む): 26425344

約数和(自身を除く): 7666035

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 4691, 14073, 145421, 201713, 436263, 605139, 6253103, 18759309]

約数ペア:

[(1, 18759309), (3, 6253103), (31, 605139), (43, 436263), (93, 201713), (129, 145421), (1333, 14073), (3999, 4691)]