19656440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8329}}^1$

素因数の和:8399

約数の個数: 32

約数和(自身を含む): 44982000

約数和(自身を除く): 25325560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8329, 16658, 33316, 41645, 66632, 83290, 166580, 333160, 491411, 982822, 1965644, 2457055, 3931288, 4914110, 9828220, 19656440]

約数ペア:

[(1, 19656440), (2, 9828220), (4, 4914110), (5, 3931288), (8, 2457055), (10, 1965644), (20, 982822), (40, 491411), (59, 333160), (118, 166580), (236, 83290), (295, 66632), (472, 41645), (590, 33316), (1180, 16658), (2360, 8329)]