18501380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13807}}^1$

素因数の和:13883

約数の個数: 24

約数和(自身を含む): 39435648

約数和(自身を除く): 20934268

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 13807, 27614, 55228, 69035, 138070, 276140, 925069, 1850138, 3700276, 4625345, 9250690, 18501380]

約数ペア:

[(1, 18501380), (2, 9250690), (4, 4625345), (5, 3700276), (10, 1850138), (20, 925069), (67, 276140), (134, 138070), (268, 69035), (335, 55228), (670, 27614), (1340, 13807)]