19903514

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1823}}^1$

素因数の和:1981

約数の個数: 16

約数和(自身を含む): 30730752

約数和(自身を除く): 10827238

約数列:

[1, 2, 53, 103, 106, 206, 1823, 3646, 5459, 10918, 96619, 187769, 193238, 375538, 9951757, 19903514]

約数ペア:

[(1, 19903514), (2, 9951757), (53, 375538), (103, 193238), (106, 187769), (206, 96619), (1823, 10918), (3646, 5459)]