18658240

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:509

約数の個数: 56

約数和(自身を含む): 44805600

約数和(自身を除く): 26147360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 293, 320, 398, 586, 796, 995, 1172, 1465, 1592, 1990, 2344, 2930, 3184, 3980, 4688, 5860, 6368, 7960, 9376, 11720, 12736, 15920, 18752, 23440, 31840, 46880, 58307, 63680, 93760, 116614, 233228, 291535, 466456, 583070, 932912, 1166140, 1865824, 2332280, 3731648, 4664560, 9329120, 18658240]

約数ペア:

[(1, 18658240), (2, 9329120), (4, 4664560), (5, 3731648), (8, 2332280), (10, 1865824), (16, 1166140), (20, 932912), (32, 583070), (40, 466456), (64, 291535), (80, 233228), (160, 116614), (199, 93760), (293, 63680), (320, 58307), (398, 46880), (586, 31840), (796, 23440), (995, 18752), (1172, 15920), (1465, 12736), (1592, 11720), (1990, 9376), (2344, 7960), (2930, 6368), (3184, 5860), (3980, 4688)]