17667220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 39110400

約数和(自身を除く): 21443180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 193, 199, 230, 386, 398, 460, 772, 796, 965, 995, 1930, 1990, 3860, 3980, 4439, 4577, 8878, 9154, 17756, 18308, 22195, 22885, 38407, 44390, 45770, 76814, 88780, 91540, 153628, 192035, 384070, 768140, 883361, 1766722, 3533444, 4416805, 8833610, 17667220]

約数ペア:

[(1, 17667220), (2, 8833610), (4, 4416805), (5, 3533444), (10, 1766722), (20, 883361), (23, 768140), (46, 384070), (92, 192035), (115, 153628), (193, 91540), (199, 88780), (230, 76814), (386, 45770), (398, 44390), (460, 38407), (772, 22885), (796, 22195), (965, 18308), (995, 17756), (1930, 9154), (1990, 8878), (3860, 4577), (3980, 4439)]