19826950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 25170170

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 47, 50, 55, 59, 65, 94, 110, 118, 130, 143, 235, 275, 286, 295, 325, 470, 517, 550, 590, 611, 649, 650, 715, 767, 1034, 1175, 1222, 1298, 1430, 1475, 1534, 2350, 2585, 2773, 2950, 3055, 3245, 3575, 3835, 5170, 5546, 6110, 6490, 6721, 7150, 7670, 8437, 12925, 13442, 13865, 15275, 16225, 16874, 19175, 25850, 27730, 30503, 30550, 32450, 33605, 36049, 38350, 42185, 61006, 67210, 69325, 72098, 84370, 138650, 152515, 168025, 180245, 210925, 305030, 336050, 360490, 396539, 421850, 762575, 793078, 901225, 1525150, 1802450, 1982695, 3965390, 9913475, 19826950]

約数ペア:

[(1, 19826950), (2, 9913475), (5, 3965390), (10, 1982695), (11, 1802450), (13, 1525150), (22, 901225), (25, 793078), (26, 762575), (47, 421850), (50, 396539), (55, 360490), (59, 336050), (65, 305030), (94, 210925), (110, 180245), (118, 168025), (130, 152515), (143, 138650), (235, 84370), (275, 72098), (286, 69325), (295, 67210), (325, 61006), (470, 42185), (517, 38350), (550, 36049), (590, 33605), (611, 32450), (649, 30550), (650, 30503), (715, 27730), (767, 25850), (1034, 19175), (1175, 16874), (1222, 16225), (1298, 15275), (1430, 13865), (1475, 13442), (1534, 12925), (2350, 8437), (2585, 7670), (2773, 7150), (2950, 6721), (3055, 6490), (3245, 6110), (3575, 5546), (3835, 5170)]