18553671

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 29472000

約数和(自身を除く): 10918329

約数列:

[1, 3, 9, 19, 27, 57, 59, 171, 177, 513, 531, 613, 1121, 1593, 1839, 3363, 5517, 10089, 11647, 16551, 30267, 34941, 36167, 104823, 108501, 314469, 325503, 687173, 976509, 2061519, 6184557, 18553671]

約数ペア:

[(1, 18553671), (3, 6184557), (9, 2061519), (19, 976509), (27, 687173), (57, 325503), (59, 314469), (171, 108501), (177, 104823), (513, 36167), (531, 34941), (613, 30267), (1121, 16551), (1593, 11647), (1839, 10089), (3363, 5517)]