1812014740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{2237}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 3854211984

約数和(自身を除く): 2042197244

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 401, 404, 505, 802, 1010, 1604, 2005, 2020, 2237, 4010, 4474, 8020, 8948, 11185, 22370, 40501, 44740, 81002, 162004, 202505, 225937, 405010, 451874, 810020, 897037, 903748, 1129685, 1794074, 2259370, 3588148, 4485185, 4518740, 8970370, 17940740, 90600737, 181201474, 362402948, 453003685, 906007370, 1812014740]

約数ペア:

[(1, 1812014740), (2, 906007370), (4, 453003685), (5, 362402948), (10, 181201474), (20, 90600737), (101, 17940740), (202, 8970370), (401, 4518740), (404, 4485185), (505, 3588148), (802, 2259370), (1010, 1794074), (1604, 1129685), (2005, 903748), (2020, 897037), (2237, 810020), (4010, 451874), (4474, 405010), (8020, 225937), (8948, 202505), (11185, 162004), (22370, 81002), (40501, 44740)]