19317987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 31503360

約数和(自身を除く): 12185373

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1171, 1269, 1833, 3513, 5499, 10539, 15223, 16497, 31617, 45669, 55037, 137007, 165111, 411021, 495333, 715481, 1485999, 2146443, 6439329, 19317987]

約数ペア:

[(1, 19317987), (3, 6439329), (9, 2146443), (13, 1485999), (27, 715481), (39, 495333), (47, 411021), (117, 165111), (141, 137007), (351, 55037), (423, 45669), (611, 31617), (1171, 16497), (1269, 15223), (1833, 10539), (3513, 5499)]