19992904299

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{3533}}^1\times {\mathrm{3677}}^1$

素因数の和:7241

約数の個数: 40

約数和(自身を含む): 31455285840

約数和(自身を除く): 11462381541

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 3533, 3677, 10599, 11031, 31797, 33093, 67127, 69863, 95391, 99279, 201381, 209589, 286173, 297837, 604143, 628767, 1812429, 1886301, 5437287, 5658903, 12990841, 38972523, 116917569, 246825979, 350752707, 740477937, 1052258121, 2221433811, 6664301433, 19992904299]

約数ペア:

[(1, 19992904299), (3, 6664301433), (9, 2221433811), (19, 1052258121), (27, 740477937), (57, 350752707), (81, 246825979), (171, 116917569), (513, 38972523), (1539, 12990841), (3533, 5658903), (3677, 5437287), (10599, 1886301), (11031, 1812429), (31797, 628767), (33093, 604143), (67127, 297837), (69863, 286173), (95391, 209589), (99279, 201381)]