18509845900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{18661}}^1$

素因数の和:18804

約数の個数: 144

約数和(自身を含む): 49891737280

約数和(自身を除く): 31381891380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 109, 130, 140, 175, 182, 218, 260, 325, 350, 364, 436, 455, 545, 650, 700, 763, 910, 1090, 1300, 1417, 1526, 1820, 2180, 2275, 2725, 2834, 3052, 3815, 4550, 5450, 5668, 7085, 7630, 9100, 9919, 10900, 14170, 15260, 18661, 19075, 19838, 28340, 35425, 37322, 38150, 39676, 49595, 70850, 74644, 76300, 93305, 99190, 130627, 141700, 186610, 198380, 242593, 247975, 261254, 373220, 466525, 485186, 495950, 522508, 653135, 933050, 970372, 991900, 1212965, 1306270, 1698151, 1866100, 2034049, 2425930, 2612540, 3265675, 3396302, 4068098, 4851860, 6064825, 6531350, 6792604, 8136196, 8490755, 10170245, 12129650, 13062700, 14238343, 16981510, 20340490, 24259300, 26442637, 28476686, 33963020, 40680980, 42453775, 50851225, 52885274, 56953372, 71191715, 84907550, 101702450, 105770548, 132213185, 142383430, 169815100, 185098459, 203404900, 264426370, 284766860, 355958575, 370196918, 528852740, 661065925, 711917150, 740393836, 925492295, 1322131850, 1423834300, 1850984590, 2644263700, 3701969180, 4627461475, 9254922950, 18509845900]

約数ペア:

[(1, 18509845900), (2, 9254922950), (4, 4627461475), (5, 3701969180), (7, 2644263700), (10, 1850984590), (13, 1423834300), (14, 1322131850), (20, 925492295), (25, 740393836), (26, 711917150), (28, 661065925), (35, 528852740), (50, 370196918), (52, 355958575), (65, 284766860), (70, 264426370), (91, 203404900), (100, 185098459), (109, 169815100), (130, 142383430), (140, 132213185), (175, 105770548), (182, 101702450), (218, 84907550), (260, 71191715), (325, 56953372), (350, 52885274), (364, 50851225), (436, 42453775), (455, 40680980), (545, 33963020), (650, 28476686), (700, 26442637), (763, 24259300), (910, 20340490), (1090, 16981510), (1300, 14238343), (1417, 13062700), (1526, 12129650), (1820, 10170245), (2180, 8490755), (2275, 8136196), (2725, 6792604), (2834, 6531350), (3052, 6064825), (3815, 4851860), (4550, 4068098), (5450, 3396302), (5668, 3265675), (7085, 2612540), (7630, 2425930), (9100, 2034049), (9919, 1866100), (10900, 1698151), (14170, 1306270), (15260, 1212965), (18661, 991900), (19075, 970372), (19838, 933050), (28340, 653135), (35425, 522508), (37322, 495950), (38150, 485186), (39676, 466525), (49595, 373220), (70850, 261254), (74644, 247975), (76300, 242593), (93305, 198380), (99190, 186610), (130627, 141700)]