19819850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 40116480

約数和(自身を除く): 20296630

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 475, 589, 673, 775, 950, 1178, 1346, 1550, 2945, 3365, 5890, 6730, 12787, 14725, 16825, 20863, 25574, 29450, 33650, 41726, 63935, 104315, 127870, 208630, 319675, 396397, 521575, 639350, 792794, 1043150, 1981985, 3963970, 9909925, 19819850]

約数ペア:

[(1, 19819850), (2, 9909925), (5, 3963970), (10, 1981985), (19, 1043150), (25, 792794), (31, 639350), (38, 521575), (50, 396397), (62, 319675), (95, 208630), (155, 127870), (190, 104315), (310, 63935), (475, 41726), (589, 33650), (673, 29450), (775, 25574), (950, 20863), (1178, 16825), (1346, 14725), (1550, 12787), (2945, 6730), (3365, 5890)]