18897540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 38002044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 97, 102, 170, 191, 194, 204, 255, 291, 340, 382, 388, 485, 510, 573, 582, 764, 955, 970, 1020, 1146, 1164, 1455, 1649, 1910, 1940, 2292, 2865, 2910, 3247, 3298, 3820, 4947, 5730, 5820, 6494, 6596, 8245, 9741, 9894, 11460, 12988, 16235, 16490, 18527, 19482, 19788, 24735, 32470, 32980, 37054, 38964, 48705, 49470, 55581, 64940, 74108, 92635, 97410, 98940, 111162, 185270, 194820, 222324, 277905, 314959, 370540, 555810, 629918, 944877, 1111620, 1259836, 1574795, 1889754, 3149590, 3779508, 4724385, 6299180, 9448770, 18897540]

約数ペア:

[(1, 18897540), (2, 9448770), (3, 6299180), (4, 4724385), (5, 3779508), (6, 3149590), (10, 1889754), (12, 1574795), (15, 1259836), (17, 1111620), (20, 944877), (30, 629918), (34, 555810), (51, 370540), (60, 314959), (68, 277905), (85, 222324), (97, 194820), (102, 185270), (170, 111162), (191, 98940), (194, 97410), (204, 92635), (255, 74108), (291, 64940), (340, 55581), (382, 49470), (388, 48705), (485, 38964), (510, 37054), (573, 32980), (582, 32470), (764, 24735), (955, 19788), (970, 19482), (1020, 18527), (1146, 16490), (1164, 16235), (1455, 12988), (1649, 11460), (1910, 9894), (1940, 9741), (2292, 8245), (2865, 6596), (2910, 6494), (3247, 5820), (3298, 5730), (3820, 4947)]