18766260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:913

約数の個数: 72

約数和(自身を含む): 57415176

約数和(自身を除く): 38648916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 761, 822, 1233, 1370, 1522, 1644, 2055, 2283, 2466, 2740, 3044, 3805, 4110, 4566, 4932, 6165, 6849, 7610, 8220, 9132, 11415, 12330, 13698, 15220, 22830, 24660, 27396, 34245, 45660, 68490, 104257, 136980, 208514, 312771, 417028, 521285, 625542, 938313, 1042570, 1251084, 1563855, 1876626, 2085140, 3127710, 3753252, 4691565, 6255420, 9383130, 18766260]

約数ペア:

[(1, 18766260), (2, 9383130), (3, 6255420), (4, 4691565), (5, 3753252), (6, 3127710), (9, 2085140), (10, 1876626), (12, 1563855), (15, 1251084), (18, 1042570), (20, 938313), (30, 625542), (36, 521285), (45, 417028), (60, 312771), (90, 208514), (137, 136980), (180, 104257), (274, 68490), (411, 45660), (548, 34245), (685, 27396), (761, 24660), (822, 22830), (1233, 15220), (1370, 13698), (1522, 12330), (1644, 11415), (2055, 9132), (2283, 8220), (2466, 7610), (2740, 6849), (3044, 6165), (3805, 4932), (4110, 4566)]