19219629

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 30578688

約数和(自身を除く): 11359059

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 631, 781, 923, 1893, 2343, 2769, 6941, 8203, 10153, 20823, 24609, 30459, 44801, 90233, 134403, 270699, 492811, 582413, 1478433, 1747239, 6406543, 19219629]

約数ペア:

[(1, 19219629), (3, 6406543), (11, 1747239), (13, 1478433), (33, 582413), (39, 492811), (71, 270699), (143, 134403), (213, 90233), (429, 44801), (631, 30459), (781, 24609), (923, 20823), (1893, 10153), (2343, 8203), (2769, 6941)]