18609370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 36278928

約数和(自身を除く): 17669558

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 557, 1114, 1285, 2570, 2785, 3341, 5570, 6682, 7241, 14482, 16705, 33410, 36205, 72410, 143149, 286298, 715745, 1431490, 1860937, 3721874, 9304685, 18609370]

約数ペア:

[(1, 18609370), (2, 9304685), (5, 3721874), (10, 1860937), (13, 1431490), (26, 715745), (65, 286298), (130, 143149), (257, 72410), (514, 36205), (557, 33410), (1114, 16705), (1285, 14482), (2570, 7241), (2785, 6682), (3341, 5570)]