19504080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 66388608

約数和(自身を除く): 46884528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 206, 240, 263, 309, 360, 412, 515, 526, 618, 720, 789, 824, 927, 1030, 1052, 1236, 1315, 1545, 1578, 1648, 1854, 2060, 2104, 2367, 2472, 2630, 3090, 3156, 3708, 3945, 4120, 4208, 4635, 4734, 4944, 5260, 6180, 6312, 7416, 7890, 8240, 9270, 9468, 10520, 11835, 12360, 12624, 14832, 15780, 18540, 18936, 21040, 23670, 24720, 27089, 31560, 37080, 37872, 47340, 54178, 63120, 74160, 81267, 94680, 108356, 135445, 162534, 189360, 216712, 243801, 270890, 325068, 406335, 433424, 487602, 541780, 650136, 812670, 975204, 1083560, 1219005, 1300272, 1625340, 1950408, 2167120, 2438010, 3250680, 3900816, 4876020, 6501360, 9752040, 19504080]

約数ペア:

[(1, 19504080), (2, 9752040), (3, 6501360), (4, 4876020), (5, 3900816), (6, 3250680), (8, 2438010), (9, 2167120), (10, 1950408), (12, 1625340), (15, 1300272), (16, 1219005), (18, 1083560), (20, 975204), (24, 812670), (30, 650136), (36, 541780), (40, 487602), (45, 433424), (48, 406335), (60, 325068), (72, 270890), (80, 243801), (90, 216712), (103, 189360), (120, 162534), (144, 135445), (180, 108356), (206, 94680), (240, 81267), (263, 74160), (309, 63120), (360, 54178), (412, 47340), (515, 37872), (526, 37080), (618, 31560), (720, 27089), (789, 24720), (824, 23670), (927, 21040), (1030, 18936), (1052, 18540), (1236, 15780), (1315, 14832), (1545, 12624), (1578, 12360), (1648, 11835), (1854, 10520), (2060, 9468), (2104, 9270), (2367, 8240), (2472, 7890), (2630, 7416), (3090, 6312), (3156, 6180), (3708, 5260), (3945, 4944), (4120, 4734), (4208, 4635)]