19138400

素因数分解:

$2^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:576

約数の個数: 72

約数和(自身を含む): 47809440

約数和(自身を除く): 28671040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 160, 188, 200, 235, 376, 400, 470, 509, 752, 800, 940, 1018, 1175, 1504, 1880, 2036, 2350, 2545, 3760, 4072, 4700, 5090, 7520, 8144, 9400, 10180, 12725, 16288, 18800, 20360, 23923, 25450, 37600, 40720, 47846, 50900, 81440, 95692, 101800, 119615, 191384, 203600, 239230, 382768, 407200, 478460, 598075, 765536, 956920, 1196150, 1913840, 2392300, 3827680, 4784600, 9569200, 19138400]

約数ペア:

[(1, 19138400), (2, 9569200), (4, 4784600), (5, 3827680), (8, 2392300), (10, 1913840), (16, 1196150), (20, 956920), (25, 765536), (32, 598075), (40, 478460), (47, 407200), (50, 382768), (80, 239230), (94, 203600), (100, 191384), (160, 119615), (188, 101800), (200, 95692), (235, 81440), (376, 50900), (400, 47846), (470, 40720), (509, 37600), (752, 25450), (800, 23923), (940, 20360), (1018, 18800), (1175, 16288), (1504, 12725), (1880, 10180), (2036, 9400), (2350, 8144), (2545, 7520), (3760, 5090), (4072, 4700)]