20138381656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{132489353}}^1$

素因数の和:132489378

約数の個数: 16

約数和(自身を含む): 39746806200

約数和(自身を除く): 19608424544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 132489353, 264978706, 529957412, 1059914824, 2517297707, 5034595414, 10069190828, 20138381656]

約数ペア:

[(1, 20138381656), (2, 10069190828), (4, 5034595414), (8, 2517297707), (19, 1059914824), (38, 529957412), (76, 264978706), (152, 132489353)]