18518350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 36805680

約数和(自身を除く): 18287330

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 101, 190, 193, 202, 386, 475, 505, 950, 965, 1010, 1919, 1930, 2525, 3667, 3838, 4825, 5050, 7334, 9595, 9650, 18335, 19190, 19493, 36670, 38986, 47975, 91675, 95950, 97465, 183350, 194930, 370367, 487325, 740734, 974650, 1851835, 3703670, 9259175, 18518350]

約数ペア:

[(1, 18518350), (2, 9259175), (5, 3703670), (10, 1851835), (19, 974650), (25, 740734), (38, 487325), (50, 370367), (95, 194930), (101, 183350), (190, 97465), (193, 95950), (202, 91675), (386, 47975), (475, 38986), (505, 36670), (950, 19493), (965, 19190), (1010, 18335), (1919, 9650), (1930, 9595), (2525, 7334), (3667, 5050), (3838, 4825)]