31989914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{19919}}^1$

素因数の和:20005

約数の個数: 16

約数和(自身を含む): 53066880

約数和(自身を除く): 21076966

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 19919, 39838, 219109, 438218, 1454087, 2908174, 15994957, 31989914]

約数ペア:

[(1, 31989914), (2, 15994957), (11, 2908174), (22, 1454087), (73, 438218), (146, 219109), (803, 39838), (1606, 19919)]