19999298

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{2477}}^1$

素因数の和:2857

約数の個数: 16

約数和(自身を含む): 32828544

約数和(自身を除く): 12829246

約数列:

[1, 2, 11, 22, 367, 734, 2477, 4037, 4954, 8074, 27247, 54494, 909059, 1818118, 9999649, 19999298]

約数ペア:

[(1, 19999298), (2, 9999649), (11, 1818118), (22, 909059), (367, 54494), (734, 27247), (2477, 8074), (4037, 4954)]