18590924

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:638

約数の個数: 36

約数和(自身を含む): 36331344

約数和(自身を除く): 17740420

約数列:

[1, 2, 4, 11, 22, 44, 71, 121, 142, 242, 284, 484, 541, 781, 1082, 1562, 2164, 3124, 5951, 8591, 11902, 17182, 23804, 34364, 38411, 65461, 76822, 130922, 153644, 261844, 422521, 845042, 1690084, 4647731, 9295462, 18590924]

約数ペア:

[(1, 18590924), (2, 9295462), (4, 4647731), (11, 1690084), (22, 845042), (44, 422521), (71, 261844), (121, 153644), (142, 130922), (242, 76822), (284, 65461), (484, 38411), (541, 34364), (781, 23804), (1082, 17182), (1562, 11902), (2164, 8591), (3124, 5951)]