19761872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95009}}^1$

素因数の和:95030

約数の個数: 20

約数和(自身を含む): 41234340

約数和(自身を除く): 21472468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95009, 190018, 380036, 760072, 1235117, 1520144, 2470234, 4940468, 9880936, 19761872]

約数ペア:

[(1, 19761872), (2, 9880936), (4, 4940468), (8, 2470234), (13, 1520144), (16, 1235117), (26, 760072), (52, 380036), (104, 190018), (208, 95009)]