19573936

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71963}}^1$

素因数の和:71988

約数の個数: 20

約数和(自身を含む): 40155912

約数和(自身を除く): 20581976

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71963, 143926, 287852, 575704, 1151408, 1223371, 2446742, 4893484, 9786968, 19573936]

約数ペア:

[(1, 19573936), (2, 9786968), (4, 4893484), (8, 2446742), (16, 1223371), (17, 1151408), (34, 575704), (68, 287852), (136, 143926), (272, 71963)]