19611369

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 30387840

約数和(自身を除く): 10776471

約数列:

[1, 3, 9, 27, 37, 67, 111, 201, 293, 333, 603, 879, 999, 1809, 2479, 2637, 7437, 7911, 10841, 19631, 22311, 32523, 58893, 66933, 97569, 176679, 292707, 530037, 726347, 2179041, 6537123, 19611369]

約数ペア:

[(1, 19611369), (3, 6537123), (9, 2179041), (27, 726347), (37, 530037), (67, 292707), (111, 176679), (201, 97569), (293, 66933), (333, 58893), (603, 32523), (879, 22311), (999, 19631), (1809, 10841), (2479, 7911), (2637, 7437)]