19489763920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1\times {\mathrm{1093}}^1$

素因数の和:2021

約数の個数: 160

約数和(自身を含む): 51688191744

約数和(自身を除く): 32198427824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 881, 920, 1012, 1093, 1265, 1762, 1840, 2024, 2186, 2530, 3524, 4048, 4372, 4405, 5060, 5465, 7048, 8744, 8810, 9691, 10120, 10930, 12023, 14096, 17488, 17620, 19382, 20240, 20263, 21860, 24046, 25139, 35240, 38764, 40526, 43720, 48092, 48455, 50278, 60115, 70480, 77528, 81052, 87440, 96184, 96910, 100556, 101315, 120230, 125695, 155056, 162104, 192368, 193820, 201112, 202630, 222893, 240460, 251390, 276529, 324208, 387640, 402224, 405260, 445786, 480920, 502780, 553058, 775280, 810520, 891572, 961840, 962933, 1005560, 1106116, 1114465, 1382645, 1621040, 1783144, 1925866, 2011120, 2212232, 2228930, 2765290, 3566288, 3851732, 4424464, 4457860, 4814665, 5530580, 7703464, 8915720, 9629330, 10592263, 11061160, 15406928, 17831440, 19258660, 21184526, 22122320, 22147459, 38517320, 42369052, 44294918, 52961315, 77034640, 84738104, 88589836, 105922630, 110737295, 169476208, 177179672, 211845260, 221474590, 243622049, 354359344, 423690520, 442949180, 487244098, 847381040, 885898360, 974488196, 1218110245, 1771796720, 1948976392, 2436220490, 3897952784, 4872440980, 9744881960, 19489763920]

約数ペア:

[(1, 19489763920), (2, 9744881960), (4, 4872440980), (5, 3897952784), (8, 2436220490), (10, 1948976392), (11, 1771796720), (16, 1218110245), (20, 974488196), (22, 885898360), (23, 847381040), (40, 487244098), (44, 442949180), (46, 423690520), (55, 354359344), (80, 243622049), (88, 221474590), (92, 211845260), (110, 177179672), (115, 169476208), (176, 110737295), (184, 105922630), (220, 88589836), (230, 84738104), (253, 77034640), (368, 52961315), (440, 44294918), (460, 42369052), (506, 38517320), (880, 22147459), (881, 22122320), (920, 21184526), (1012, 19258660), (1093, 17831440), (1265, 15406928), (1762, 11061160), (1840, 10592263), (2024, 9629330), (2186, 8915720), (2530, 7703464), (3524, 5530580), (4048, 4814665), (4372, 4457860), (4405, 4424464), (5060, 3851732), (5465, 3566288), (7048, 2765290), (8744, 2228930), (8810, 2212232), (9691, 2011120), (10120, 1925866), (10930, 1783144), (12023, 1621040), (14096, 1382645), (17488, 1114465), (17620, 1106116), (19382, 1005560), (20240, 962933), (20263, 961840), (21860, 891572), (24046, 810520), (25139, 775280), (35240, 553058), (38764, 502780), (40526, 480920), (43720, 445786), (48092, 405260), (48455, 402224), (50278, 387640), (60115, 324208), (70480, 276529), (77528, 251390), (81052, 240460), (87440, 222893), (96184, 202630), (96910, 201112), (100556, 193820), (101315, 192368), (120230, 162104), (125695, 155056)]