18112780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1931}}^1$

素因数の和:2014

約数の個数: 48

約数和(自身を含む): 44142336

約数和(自身を除く): 26029556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 1931, 2345, 3862, 4690, 7724, 9380, 9655, 13517, 19310, 27034, 38620, 54068, 67585, 129377, 135170, 258754, 270340, 517508, 646885, 905639, 1293770, 1811278, 2587540, 3622556, 4528195, 9056390, 18112780]

約数ペア:

[(1, 18112780), (2, 9056390), (4, 4528195), (5, 3622556), (7, 2587540), (10, 1811278), (14, 1293770), (20, 905639), (28, 646885), (35, 517508), (67, 270340), (70, 258754), (134, 135170), (140, 129377), (268, 67585), (335, 54068), (469, 38620), (670, 27034), (938, 19310), (1340, 13517), (1876, 9655), (1931, 9380), (2345, 7724), (3862, 4690)]