19039575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 33881760

約数和(自身を除く): 14842185

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 109, 137, 255, 327, 411, 425, 545, 685, 1275, 1635, 1853, 2055, 2329, 2725, 3425, 5559, 6987, 8175, 9265, 10275, 11645, 14933, 27795, 34935, 44799, 46325, 58225, 74665, 138975, 174675, 223995, 253861, 373325, 761583, 1119975, 1269305, 3807915, 6346525, 19039575]

約数ペア:

[(1, 19039575), (3, 6346525), (5, 3807915), (15, 1269305), (17, 1119975), (25, 761583), (51, 373325), (75, 253861), (85, 223995), (109, 174675), (137, 138975), (255, 74665), (327, 58225), (411, 46325), (425, 44799), (545, 34935), (685, 27795), (1275, 14933), (1635, 11645), (1853, 10275), (2055, 9265), (2329, 8175), (2725, 6987), (3425, 5559)]