19976425

素因数分解:

$5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{541}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 28496192

約数和(自身を除く): 8519767

約数列:

[1, 5, 7, 25, 35, 175, 211, 541, 1055, 1477, 2705, 3787, 5275, 7385, 13525, 18935, 36925, 94675, 114151, 570755, 799057, 2853775, 3995285, 19976425]

約数ペア:

[(1, 19976425), (5, 3995285), (7, 2853775), (25, 799057), (35, 570755), (175, 114151), (211, 94675), (541, 36925), (1055, 18935), (1477, 13525), (2705, 7385), (3787, 5275)]