18530260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1237}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 44924544

約数和(自身を除く): 26394284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1237, 1498, 2140, 2474, 2996, 3745, 4948, 6185, 7490, 8659, 12370, 14980, 17318, 24740, 34636, 43295, 86590, 132359, 173180, 264718, 529436, 661795, 926513, 1323590, 1853026, 2647180, 3706052, 4632565, 9265130, 18530260]

約数ペア:

[(1, 18530260), (2, 9265130), (4, 4632565), (5, 3706052), (7, 2647180), (10, 1853026), (14, 1323590), (20, 926513), (28, 661795), (35, 529436), (70, 264718), (107, 173180), (140, 132359), (214, 86590), (428, 43295), (535, 34636), (749, 24740), (1070, 17318), (1237, 14980), (1498, 12370), (2140, 8659), (2474, 7490), (2996, 6185), (3745, 4948)]