19930500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 64960896

約数和(自身を除く): 45030396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 50, 60, 75, 86, 90, 100, 103, 125, 129, 150, 172, 180, 206, 215, 225, 250, 258, 300, 309, 375, 387, 412, 430, 450, 500, 515, 516, 618, 645, 750, 774, 860, 900, 927, 1030, 1075, 1125, 1236, 1290, 1500, 1545, 1548, 1854, 1935, 2060, 2150, 2250, 2575, 2580, 3090, 3225, 3708, 3870, 4300, 4429, 4500, 4635, 5150, 5375, 6180, 6450, 7725, 7740, 8858, 9270, 9675, 10300, 10750, 12875, 12900, 13287, 15450, 16125, 17716, 18540, 19350, 21500, 22145, 23175, 25750, 26574, 30900, 32250, 38625, 38700, 39861, 44290, 46350, 48375, 51500, 53148, 64500, 66435, 77250, 79722, 88580, 92700, 96750, 110725, 115875, 132870, 154500, 159444, 193500, 199305, 221450, 231750, 265740, 332175, 398610, 442900, 463500, 553625, 664350, 797220, 996525, 1107250, 1328700, 1660875, 1993050, 2214500, 3321750, 3986100, 4982625, 6643500, 9965250, 19930500]

約数ペア:

[(1, 19930500), (2, 9965250), (3, 6643500), (4, 4982625), (5, 3986100), (6, 3321750), (9, 2214500), (10, 1993050), (12, 1660875), (15, 1328700), (18, 1107250), (20, 996525), (25, 797220), (30, 664350), (36, 553625), (43, 463500), (45, 442900), (50, 398610), (60, 332175), (75, 265740), (86, 231750), (90, 221450), (100, 199305), (103, 193500), (125, 159444), (129, 154500), (150, 132870), (172, 115875), (180, 110725), (206, 96750), (215, 92700), (225, 88580), (250, 79722), (258, 77250), (300, 66435), (309, 64500), (375, 53148), (387, 51500), (412, 48375), (430, 46350), (450, 44290), (500, 39861), (515, 38700), (516, 38625), (618, 32250), (645, 30900), (750, 26574), (774, 25750), (860, 23175), (900, 22145), (927, 21500), (1030, 19350), (1075, 18540), (1125, 17716), (1236, 16125), (1290, 15450), (1500, 13287), (1545, 12900), (1548, 12875), (1854, 10750), (1935, 10300), (2060, 9675), (2150, 9270), (2250, 8858), (2575, 7740), (2580, 7725), (3090, 6450), (3225, 6180), (3708, 5375), (3870, 5150), (4300, 4635), (4429, 4500)]