19320873

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1553}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 12007767

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 319, 377, 429, 957, 1131, 1553, 4147, 4659, 12441, 17083, 20189, 45037, 51249, 60567, 135111, 222079, 495407, 585481, 666237, 1486221, 1756443, 6440291, 19320873]

約数ペア:

[(1, 19320873), (3, 6440291), (11, 1756443), (13, 1486221), (29, 666237), (33, 585481), (39, 495407), (87, 222079), (143, 135111), (319, 60567), (377, 51249), (429, 45037), (957, 20189), (1131, 17083), (1553, 12441), (4147, 4659)]