19724917419

素因数分解:

$3^4\times {\mathrm{64033}}^1\times {\mathrm{3803}}^1$

素因数の和:67848

約数の個数: 20

約数和(自身を含む): 29473825656

約数和(自身を除く): 9748908237

約数列:

[1, 3, 9, 27, 81, 3803, 11409, 34227, 64033, 102681, 192099, 308043, 576297, 1728891, 5186673, 243517499, 730552497, 2191657491, 6574972473, 19724917419]

約数ペア:

[(1, 19724917419), (3, 6574972473), (9, 2191657491), (27, 730552497), (81, 243517499), (3803, 5186673), (11409, 1728891), (34227, 576297), (64033, 308043), (102681, 192099)]