19638004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{158371}}^1$

素因数の和:158406

約数の個数: 12

約数和(自身を含む): 35475328

約数和(自身を除く): 15837324

約数列:

[1, 2, 4, 31, 62, 124, 158371, 316742, 633484, 4909501, 9819002, 19638004]

約数ペア:

[(1, 19638004), (2, 9819002), (4, 4909501), (31, 633484), (62, 316742), (124, 158371)]