About the Number
19980004
2進数表記:1001100001101111011100100
漢数字表記:千九百九十八万四
素因数分解:
素因数の和:41307
約数の個数: 18
約数和(自身を含む): 38433542
約数和(自身を除く): 18453538
約数列:
[1, 2, 4, 11, 22, 44, 121, 242, 484, 41281, 82562, 165124, 454091, 908182, 1816364, 4995001, 9990002, 19980004]
約数ペア:
[(1, 19980004), (2, 9990002), (4, 4995001), (11, 1816364), (22, 908182), (44, 454091), (121, 165124), (242, 82562), (484, 41281)]このpageの処理時間: 0.010417938232421875 seconds