19986984

素因数分解:

$2^3\times 3^2\times {\mathrm{277597}}^1$

素因数の和:277609

約数の個数: 24

約数和(自身を含む): 54131610

約数和(自身を除く): 34144626

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277597, 555194, 832791, 1110388, 1665582, 2220776, 2498373, 3331164, 4996746, 6662328, 9993492, 19986984]

約数ペア:

[(1, 19986984), (2, 9993492), (3, 6662328), (4, 4996746), (6, 3331164), (8, 2498373), (9, 2220776), (12, 1665582), (18, 1110388), (24, 832791), (36, 555194), (72, 277597)]