19439109

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:791

約数の個数: 40

約数和(自身を含む): 32408640

約数和(自身を除く): 12969531

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 743, 969, 1377, 1539, 2229, 2907, 6687, 8721, 12631, 14117, 20061, 26163, 37893, 42351, 60183, 113679, 127053, 239989, 341037, 381159, 719967, 1023111, 1143477, 2159901, 6479703, 19439109]

約数ペア:

[(1, 19439109), (3, 6479703), (9, 2159901), (17, 1143477), (19, 1023111), (27, 719967), (51, 381159), (57, 341037), (81, 239989), (153, 127053), (171, 113679), (323, 60183), (459, 42351), (513, 37893), (743, 26163), (969, 20061), (1377, 14117), (1539, 12631), (2229, 8721), (2907, 6687)]