15987018

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{140237}}^1$

素因数の和:140261

約数の個数: 16

約数和(自身を含む): 33657120

約数和(自身を除く): 17670102

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 140237, 280474, 420711, 841422, 2664503, 5329006, 7993509, 15987018]

約数ペア:

[(1, 15987018), (2, 7993509), (3, 5329006), (6, 2664503), (19, 841422), (38, 420711), (57, 280474), (114, 140237)]