19151231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2179}}^1$

素因数の和:2254

約数の個数: 16

約数和(自身を含む): 22602240

約数和(自身を除く): 3451009

約数列:

[1, 11, 17, 47, 187, 517, 799, 2179, 8789, 23969, 37043, 102413, 407473, 1126543, 1741021, 19151231]

約数ペア:

[(1, 19151231), (11, 1741021), (17, 1126543), (47, 407473), (187, 102413), (517, 37043), (799, 23969), (2179, 8789)]