18870888967

素因数分解:

$7^3\times {\mathrm{1433}}^1\times {\mathrm{38393}}^1$

素因数の和:39847

約数の個数: 16

約数和(自身を含む): 22022798400

約数和(自身を除く): 3151909433

約数列:

[1, 7, 49, 343, 1433, 10031, 38393, 70217, 268751, 491519, 1881257, 13168799, 55017169, 385120183, 2695841281, 18870888967]

約数ペア:

[(1, 18870888967), (7, 2695841281), (49, 385120183), (343, 55017169), (1433, 13168799), (10031, 1881257), (38393, 491519), (70217, 268751)]