18988986

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{77191}}^1$

素因数の和:77237

約数の個数: 16

約数和(自身を含む): 38904768

約数和(自身を除く): 19915782

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 77191, 154382, 231573, 463146, 3164831, 6329662, 9494493, 18988986]

約数ペア:

[(1, 18988986), (2, 9494493), (3, 6329662), (6, 3164831), (41, 463146), (82, 231573), (123, 154382), (246, 77191)]