18888979675

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1282783}}^1$

素因数の和:1282843

約数の個数: 24

約数和(自身を含む): 25450434560

約数和(自身を除く): 6561454885

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 2945, 14725, 1282783, 6413915, 24372877, 32069575, 39766273, 121864385, 198831365, 609321925, 755559187, 994156825, 3777795935, 18888979675]

約数ペア:

[(1, 18888979675), (5, 3777795935), (19, 994156825), (25, 755559187), (31, 609321925), (95, 198831365), (155, 121864385), (475, 39766273), (589, 32069575), (775, 24372877), (2945, 6413915), (14725, 1282783)]