19273707

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 40

約数和(自身を含む): 30346800

約数和(自身を除く): 11073093

約数列:

[1, 3, 9, 27, 37, 59, 81, 109, 111, 177, 327, 333, 531, 981, 999, 1593, 2183, 2943, 2997, 4033, 4779, 6431, 6549, 8829, 12099, 19293, 19647, 36297, 57879, 58941, 108891, 173637, 176823, 237947, 326673, 520911, 713841, 2141523, 6424569, 19273707]

約数ペア:

[(1, 19273707), (3, 6424569), (9, 2141523), (27, 713841), (37, 520911), (59, 326673), (81, 237947), (109, 176823), (111, 173637), (177, 108891), (327, 58941), (333, 57879), (531, 36297), (981, 19647), (999, 19293), (1593, 12099), (2183, 8829), (2943, 6549), (2997, 6431), (4033, 4779)]