19638008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{188827}}^1$

素因数の和:188846

約数の個数: 16

約数和(自身を含む): 39653880

約数和(自身を除く): 20015872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 188827, 377654, 755308, 1510616, 2454751, 4909502, 9819004, 19638008]

約数ペア:

[(1, 19638008), (2, 9819004), (4, 4909502), (8, 2454751), (13, 1510616), (26, 755308), (52, 377654), (104, 188827)]