18215550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 51068160

約数和(自身を除く): 32852610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 103, 131, 135, 150, 206, 225, 262, 270, 309, 393, 450, 515, 618, 655, 675, 786, 927, 1030, 1179, 1310, 1350, 1545, 1854, 1965, 2358, 2575, 2781, 3090, 3275, 3537, 3930, 4635, 5150, 5562, 5895, 6550, 7074, 7725, 9270, 9825, 11790, 13493, 13905, 15450, 17685, 19650, 23175, 26986, 27810, 29475, 35370, 40479, 46350, 58950, 67465, 69525, 80958, 88425, 121437, 134930, 139050, 176850, 202395, 242874, 337325, 364311, 404790, 607185, 674650, 728622, 1011975, 1214370, 1821555, 2023950, 3035925, 3643110, 6071850, 9107775, 18215550]

約数ペア:

[(1, 18215550), (2, 9107775), (3, 6071850), (5, 3643110), (6, 3035925), (9, 2023950), (10, 1821555), (15, 1214370), (18, 1011975), (25, 728622), (27, 674650), (30, 607185), (45, 404790), (50, 364311), (54, 337325), (75, 242874), (90, 202395), (103, 176850), (131, 139050), (135, 134930), (150, 121437), (206, 88425), (225, 80958), (262, 69525), (270, 67465), (309, 58950), (393, 46350), (450, 40479), (515, 35370), (618, 29475), (655, 27810), (675, 26986), (786, 23175), (927, 19650), (1030, 17685), (1179, 15450), (1310, 13905), (1350, 13493), (1545, 11790), (1854, 9825), (1965, 9270), (2358, 7725), (2575, 7074), (2781, 6550), (3090, 5895), (3275, 5562), (3537, 5150), (3930, 4635)]