19313072

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:533

約数の個数: 40

約数和(自身を含む): 39171600

約数和(自身を除く): 19858528

約数列:

[1, 2, 4, 8, 16, 29, 58, 107, 116, 214, 232, 389, 428, 464, 778, 856, 1556, 1712, 3103, 3112, 6206, 6224, 11281, 12412, 22562, 24824, 41623, 45124, 49648, 83246, 90248, 166492, 180496, 332984, 665968, 1207067, 2414134, 4828268, 9656536, 19313072]

約数ペア:

[(1, 19313072), (2, 9656536), (4, 4828268), (8, 2414134), (16, 1207067), (29, 665968), (58, 332984), (107, 180496), (116, 166492), (214, 90248), (232, 83246), (389, 49648), (428, 45124), (464, 41623), (778, 24824), (856, 22562), (1556, 12412), (1712, 11281), (3103, 6224), (3112, 6206)]