19479831

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 30632448

約数和(自身を除く): 11152617

約数列:

[1, 3, 7, 21, 73, 97, 131, 219, 291, 393, 511, 679, 917, 1533, 2037, 2751, 7081, 9563, 12707, 21243, 28689, 38121, 49567, 66941, 88949, 148701, 200823, 266847, 927611, 2782833, 6493277, 19479831]

約数ペア:

[(1, 19479831), (3, 6493277), (7, 2782833), (21, 927611), (73, 266847), (97, 200823), (131, 148701), (219, 88949), (291, 66941), (393, 49567), (511, 38121), (679, 28689), (917, 21243), (1533, 12707), (2037, 9563), (2751, 7081)]