19634290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1697}}^1$

素因数の和:1806

約数の個数: 32

約数和(自身を含む): 38510640

約数和(自身を除く): 18876350

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1697, 2314, 3394, 5785, 8485, 11570, 16970, 22061, 44122, 110305, 151033, 220610, 302066, 755165, 1510330, 1963429, 3926858, 9817145, 19634290]

約数ペア:

[(1, 19634290), (2, 9817145), (5, 3926858), (10, 1963429), (13, 1510330), (26, 755165), (65, 302066), (89, 220610), (130, 151033), (178, 110305), (445, 44122), (890, 22061), (1157, 16970), (1697, 11570), (2314, 8485), (3394, 5785)]