19156320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 66869712

約数和(自身を除く): 47713392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 251, 265, 288, 318, 360, 424, 477, 480, 502, 530, 636, 720, 753, 795, 848, 954, 1004, 1060, 1255, 1272, 1440, 1506, 1590, 1696, 1908, 2008, 2120, 2259, 2385, 2510, 2544, 3012, 3180, 3765, 3816, 4016, 4240, 4518, 4770, 5020, 5088, 6024, 6360, 7530, 7632, 8032, 8480, 9036, 9540, 10040, 11295, 12048, 12720, 13303, 15060, 15264, 18072, 19080, 20080, 22590, 24096, 25440, 26606, 30120, 36144, 38160, 39909, 40160, 45180, 53212, 60240, 66515, 72288, 76320, 79818, 90360, 106424, 119727, 120480, 133030, 159636, 180720, 199545, 212848, 239454, 266060, 319272, 361440, 399090, 425696, 478908, 532120, 598635, 638544, 798180, 957816, 1064240, 1197270, 1277088, 1596360, 1915632, 2128480, 2394540, 3192720, 3831264, 4789080, 6385440, 9578160, 19156320]

約数ペア:

[(1, 19156320), (2, 9578160), (3, 6385440), (4, 4789080), (5, 3831264), (6, 3192720), (8, 2394540), (9, 2128480), (10, 1915632), (12, 1596360), (15, 1277088), (16, 1197270), (18, 1064240), (20, 957816), (24, 798180), (30, 638544), (32, 598635), (36, 532120), (40, 478908), (45, 425696), (48, 399090), (53, 361440), (60, 319272), (72, 266060), (80, 239454), (90, 212848), (96, 199545), (106, 180720), (120, 159636), (144, 133030), (159, 120480), (160, 119727), (180, 106424), (212, 90360), (240, 79818), (251, 76320), (265, 72288), (288, 66515), (318, 60240), (360, 53212), (424, 45180), (477, 40160), (480, 39909), (502, 38160), (530, 36144), (636, 30120), (720, 26606), (753, 25440), (795, 24096), (848, 22590), (954, 20080), (1004, 19080), (1060, 18072), (1255, 15264), (1272, 15060), (1440, 13303), (1506, 12720), (1590, 12048), (1696, 11295), (1908, 10040), (2008, 9540), (2120, 9036), (2259, 8480), (2385, 8032), (2510, 7632), (2544, 7530), (3012, 6360), (3180, 6024), (3765, 5088), (3816, 5020), (4016, 4770), (4240, 4518)]