19919896

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3767}}^1$

素因数の和:4434

約数の個数: 16

約数和(自身を含む): 37416240

約数和(自身を除く): 17496344

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 3767, 5288, 7534, 15068, 30136, 2489987, 4979974, 9959948, 19919896]

約数ペア:

[(1, 19919896), (2, 9959948), (4, 4979974), (8, 2489987), (661, 30136), (1322, 15068), (2644, 7534), (3767, 5288)]