2018776851

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{273881}}^1$

素因数の和:273913

約数の個数: 40

約数和(自身を含む): 3711648864

約数和(自身を除く): 1692872013

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 273881, 821643, 1917167, 2464929, 3560453, 5751501, 7394787, 10681359, 17254503, 22184361, 24923171, 32044077, 51763509, 74769513, 96132231, 155290527, 224308539, 288396693, 672925617, 2018776851]

約数ペア:

[(1, 2018776851), (3, 672925617), (7, 288396693), (9, 224308539), (13, 155290527), (21, 96132231), (27, 74769513), (39, 51763509), (63, 32044077), (81, 24923171), (91, 22184361), (117, 17254503), (189, 10681359), (273, 7394787), (351, 5751501), (567, 3560453), (819, 2464929), (1053, 1917167), (2457, 821643), (7371, 273881)]