17965480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34549}}^1$

素因数の和:34573

約数の個数: 32

約数和(自身を含む): 43533000

約数和(自身を除く): 25567520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34549, 69098, 138196, 172745, 276392, 345490, 449137, 690980, 898274, 1381960, 1796548, 2245685, 3593096, 4491370, 8982740, 17965480]

約数ペア:

[(1, 17965480), (2, 8982740), (4, 4491370), (5, 3593096), (8, 2245685), (10, 1796548), (13, 1381960), (20, 898274), (26, 690980), (40, 449137), (52, 345490), (65, 276392), (104, 172745), (130, 138196), (260, 69098), (520, 34549)]