81195626

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{19603}}^1$

素因数の和:19733

約数の個数: 16

約数和(自身を含む): 129386400

約数和(自身を除く): 48190774

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 19603, 39206, 372457, 744914, 2136727, 4273454, 40597813, 81195626]

約数ペア:

[(1, 81195626), (2, 40597813), (19, 4273454), (38, 2136727), (109, 744914), (218, 372457), (2071, 39206), (4142, 19603)]