19920687358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2246863}}^1$

素因数の和:2246920

約数の個数: 32

約数和(自身を含む): 36237422592

約数和(自身を除く): 16316735234

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 4433, 8866, 2246863, 4493726, 24715493, 29209219, 49430986, 58418438, 69652753, 139305506, 321301409, 642602818, 766180283, 905485789, 1532360566, 1810971578, 9960343679, 19920687358]

約数ペア:

[(1, 19920687358), (2, 9960343679), (11, 1810971578), (13, 1532360566), (22, 905485789), (26, 766180283), (31, 642602818), (62, 321301409), (143, 139305506), (286, 69652753), (341, 58418438), (403, 49430986), (682, 29209219), (806, 24715493), (4433, 4493726), (8866, 2246863)]