About the Number

1994805

1994804 ← → 1994806

2進数表記:111100111000000110101

漢数字表記:百九十九万四千八百五

素因数分解:

3 2 × 5 1 × 97 1 × 457 1

素因数の和:565
約数の個数: 24
約数和(自身を含む): 3500952
約数和(自身を除く): 1506147

約数列:
[1, 3, 5, 9, 15, 45, 97, 291, 457, 485, 873, 1371, 1455, 2285, 4113, 4365, 6855, 20565, 44329, 132987, 221645, 398961, 664935, 1994805]

約数ペア:
[(1, 1994805), (3, 664935), (5, 398961), (9, 221645), (15, 132987), (45, 44329), (97, 20565), (291, 6855), (457, 4365), (485, 4113), (873, 2285), (1371, 1455)]

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