18743600

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1062

約数の個数: 60

約数和(自身を含む): 46035744

約数和(自身を除く): 27292144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 188, 200, 235, 376, 400, 470, 752, 940, 997, 1175, 1880, 1994, 2350, 3760, 3988, 4700, 4985, 7976, 9400, 9970, 15952, 18800, 19940, 24925, 39880, 46859, 49850, 79760, 93718, 99700, 187436, 199400, 234295, 374872, 398800, 468590, 749744, 937180, 1171475, 1874360, 2342950, 3748720, 4685900, 9371800, 18743600]

約数ペア:

[(1, 18743600), (2, 9371800), (4, 4685900), (5, 3748720), (8, 2342950), (10, 1874360), (16, 1171475), (20, 937180), (25, 749744), (40, 468590), (47, 398800), (50, 374872), (80, 234295), (94, 199400), (100, 187436), (188, 99700), (200, 93718), (235, 79760), (376, 49850), (400, 46859), (470, 39880), (752, 24925), (940, 19940), (997, 18800), (1175, 15952), (1880, 9970), (1994, 9400), (2350, 7976), (3760, 4985), (3988, 4700)]