About the Number

19904160

19904159 ← → 19904161

2進数表記:1001011111011011010100000

漢数字表記:千九百九十万四千百六十

素因数分解:

2 5 × 3 1 × 5 1 × 41467 1

素因数の和:41485
約数の個数: 48
約数和(自身を含む): 62699616
約数和(自身を除く): 42795456

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41467, 82934, 124401, 165868, 207335, 248802, 331736, 414670, 497604, 622005, 663472, 829340, 995208, 1244010, 1326944, 1658680, 1990416, 2488020, 3317360, 3980832, 4976040, 6634720, 9952080, 19904160]

約数ペア:
[(1, 19904160), (2, 9952080), (3, 6634720), (4, 4976040), (5, 3980832), (6, 3317360), (8, 2488020), (10, 1990416), (12, 1658680), (15, 1326944), (16, 1244010), (20, 995208), (24, 829340), (30, 663472), (32, 622005), (40, 497604), (48, 414670), (60, 331736), (80, 248802), (96, 207335), (120, 165868), (160, 124401), (240, 82934), (480, 41467)]

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