2019965168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9711371}}^1$

素因数の和:9711392

約数の個数: 20

約数和(自身を含む): 4214735448

約数和(自身を除く): 2194770280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9711371, 19422742, 38845484, 77690968, 126247823, 155381936, 252495646, 504991292, 1009982584, 2019965168]

約数ペア:

[(1, 2019965168), (2, 1009982584), (4, 504991292), (8, 252495646), (13, 155381936), (16, 126247823), (26, 77690968), (52, 38845484), (104, 19422742), (208, 9711371)]