2018370809

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2777}}^1$

素因数の和:2974

約数の個数: 32

約数和(自身を含む): 2551315200

約数和(自身を除く): 532944391

約数列:

[1, 7, 13, 49, 91, 163, 343, 637, 1141, 2119, 2777, 4459, 7987, 14833, 19439, 36101, 55909, 103831, 136073, 252707, 452651, 726817, 952511, 1768949, 3168557, 5884463, 12382643, 22179899, 41191241, 155259293, 288338687, 2018370809]

約数ペア:

[(1, 2018370809), (7, 288338687), (13, 155259293), (49, 41191241), (91, 22179899), (163, 12382643), (343, 5884463), (637, 3168557), (1141, 1768949), (2119, 952511), (2777, 726817), (4459, 452651), (7987, 252707), (14833, 136073), (19439, 103831), (36101, 55909)]