19476849

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 31829760

約数和(自身を除く): 12352911

約数列:

[1, 3, 7, 17, 21, 51, 89, 119, 267, 357, 613, 623, 1513, 1839, 1869, 4291, 4539, 10421, 10591, 12873, 31263, 31773, 54557, 72947, 163671, 218841, 381899, 927469, 1145697, 2782407, 6492283, 19476849]

約数ペア:

[(1, 19476849), (3, 6492283), (7, 2782407), (17, 1145697), (21, 927469), (51, 381899), (89, 218841), (119, 163671), (267, 72947), (357, 54557), (613, 31773), (623, 31263), (1513, 12873), (1839, 10591), (1869, 10421), (4291, 4539)]