138032948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{20407}}^1$

素因数の和:20519

約数の個数: 24

約数和(自身を含む): 257140800

約数和(自身を除く): 119107852

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3382, 6764, 20407, 40814, 81628, 387733, 775466, 1550932, 1816223, 3632446, 7264892, 34508237, 69016474, 138032948]

約数ペア:

[(1, 138032948), (2, 69016474), (4, 34508237), (19, 7264892), (38, 3632446), (76, 1816223), (89, 1550932), (178, 775466), (356, 387733), (1691, 81628), (3382, 40814), (6764, 20407)]