189381854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{55997}}^1$

素因数の和:56107

約数の個数: 16

約数和(自身を含む): 302389200

約数和(自身を除く): 113007346

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 55997, 111994, 1063943, 2127886, 4983733, 9967466, 94690927, 189381854]

約数ペア:

[(1, 189381854), (2, 94690927), (19, 9967466), (38, 4983733), (89, 2127886), (178, 1063943), (1691, 111994), (3382, 55997)]