19857656

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27277}}^1$

素因数の和:27303

約数の個数: 32

約数和(自身を含む): 45827040

約数和(自身を除く): 25969384

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27277, 54554, 109108, 190939, 218216, 354601, 381878, 709202, 763756, 1418404, 1527512, 2482207, 2836808, 4964414, 9928828, 19857656]

約数ペア:

[(1, 19857656), (2, 9928828), (4, 4964414), (7, 2836808), (8, 2482207), (13, 1527512), (14, 1418404), (26, 763756), (28, 709202), (52, 381878), (56, 354601), (91, 218216), (104, 190939), (182, 109108), (364, 54554), (728, 27277)]