19665243

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9887}}^1$

素因数の和:9923

約数の個数: 24

約数和(自身を含む): 32393088

約数和(自身を除く): 12727845

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9887, 29661, 88983, 128531, 168079, 385593, 504237, 1156779, 1512711, 2185027, 6555081, 19665243]

約数ペア:

[(1, 19665243), (3, 6555081), (9, 2185027), (13, 1512711), (17, 1156779), (39, 504237), (51, 385593), (117, 168079), (153, 128531), (221, 88983), (663, 29661), (1989, 9887)]