19976177

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 2280463

約数列:

[1, 13, 53, 79, 367, 689, 1027, 4187, 4771, 19451, 28993, 54431, 252863, 376909, 1536629, 19976177]

約数ペア:

[(1, 19976177), (13, 1536629), (53, 376909), (79, 252863), (367, 54431), (689, 28993), (1027, 19451), (4187, 4771)]