19353040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4937}}^1$

素因数の和:4964

約数の個数: 60

約数和(自身を含む): 52352676

約数和(自身を除く): 32999636

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4937, 9874, 19748, 24685, 34559, 39496, 49370, 69118, 78992, 98740, 138236, 172795, 197480, 241913, 276472, 345590, 394960, 483826, 552944, 691180, 967652, 1209565, 1382360, 1935304, 2419130, 2764720, 3870608, 4838260, 9676520, 19353040]

約数ペア:

[(1, 19353040), (2, 9676520), (4, 4838260), (5, 3870608), (7, 2764720), (8, 2419130), (10, 1935304), (14, 1382360), (16, 1209565), (20, 967652), (28, 691180), (35, 552944), (40, 483826), (49, 394960), (56, 345590), (70, 276472), (80, 241913), (98, 197480), (112, 172795), (140, 138236), (196, 98740), (245, 78992), (280, 69118), (392, 49370), (490, 39496), (560, 34559), (784, 24685), (980, 19748), (1960, 9874), (3920, 4937)]