19549760

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:523

約数の個数: 56

約数和(自身を含む): 46939200

約数和(自身を除く): 27389440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 307, 320, 398, 614, 796, 995, 1228, 1535, 1592, 1990, 2456, 3070, 3184, 3980, 4912, 6140, 6368, 7960, 9824, 12280, 12736, 15920, 19648, 24560, 31840, 49120, 61093, 63680, 98240, 122186, 244372, 305465, 488744, 610930, 977488, 1221860, 1954976, 2443720, 3909952, 4887440, 9774880, 19549760]

約数ペア:

[(1, 19549760), (2, 9774880), (4, 4887440), (5, 3909952), (8, 2443720), (10, 1954976), (16, 1221860), (20, 977488), (32, 610930), (40, 488744), (64, 305465), (80, 244372), (160, 122186), (199, 98240), (307, 63680), (320, 61093), (398, 49120), (614, 31840), (796, 24560), (995, 19648), (1228, 15920), (1535, 12736), (1592, 12280), (1990, 9824), (2456, 7960), (3070, 6368), (3184, 6140), (3980, 4912)]