19721382

素因数分解:

$2^1\times 3^1\times {\mathrm{953}}^1\times {\mathrm{3449}}^1$

素因数の和:4407

約数の個数: 16

約数和(自身を含む): 39495600

約数和(自身を除く): 19774218

約数列:

[1, 2, 3, 6, 953, 1906, 2859, 3449, 5718, 6898, 10347, 20694, 3286897, 6573794, 9860691, 19721382]

約数ペア:

[(1, 19721382), (2, 9860691), (3, 6573794), (6, 3286897), (953, 20694), (1906, 10347), (2859, 6898), (3449, 5718)]