2019194128

素因数分解:

$2^4\times 7^1\times {\mathrm{18028519}}^1$

素因数の和:18028534

約数の個数: 20

約数和(自身を含む): 4471072960

約数和(自身を除く): 2451878832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 18028519, 36057038, 72114076, 126199633, 144228152, 252399266, 288456304, 504798532, 1009597064, 2019194128]

約数ペア:

[(1, 2019194128), (2, 1009597064), (4, 504798532), (7, 288456304), (8, 252399266), (14, 144228152), (16, 126199633), (28, 72114076), (56, 36057038), (112, 18028519)]