19840678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 35253792

約数和(自身を除く): 15413114

約数列:

[1, 2, 11, 13, 22, 26, 143, 173, 286, 346, 401, 802, 1903, 2249, 3806, 4411, 4498, 5213, 8822, 10426, 24739, 49478, 57343, 69373, 114686, 138746, 763103, 901849, 1526206, 1803698, 9920339, 19840678]

約数ペア:

[(1, 19840678), (2, 9920339), (11, 1803698), (13, 1526206), (22, 901849), (26, 763103), (143, 138746), (173, 114686), (286, 69373), (346, 57343), (401, 49478), (802, 24739), (1903, 10426), (2249, 8822), (3806, 5213), (4411, 4498)]