19990296

素因数分解:

$2^3\times 3^2\times {\mathrm{277643}}^1$

素因数の和:277655

約数の個数: 24

約数和(自身を含む): 54140580

約数和(自身を除く): 34150284

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277643, 555286, 832929, 1110572, 1665858, 2221144, 2498787, 3331716, 4997574, 6663432, 9995148, 19990296]

約数ペア:

[(1, 19990296), (2, 9995148), (3, 6663432), (4, 4997574), (6, 3331716), (8, 2498787), (9, 2221144), (12, 1665858), (18, 1110572), (24, 832929), (36, 555286), (72, 277643)]