19297989

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1759}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 10354491

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 1759, 3657, 5277, 10971, 15831, 40457, 93227, 121371, 279681, 364113, 839043, 2144221, 6432663, 19297989]

約数ペア:

[(1, 19297989), (3, 6432663), (9, 2144221), (23, 839043), (53, 364113), (69, 279681), (159, 121371), (207, 93227), (477, 40457), (1219, 15831), (1759, 10971), (3657, 5277)]