19563147

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{5531}}^1$

素因数の和:5671

約数の個数: 16

約数和(自身を含む): 29208960

約数和(自身を除く): 9645813

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 5531, 16593, 49779, 149337, 724561, 2173683, 6521049, 19563147]

約数ペア:

[(1, 19563147), (3, 6521049), (9, 2173683), (27, 724561), (131, 149337), (393, 49779), (1179, 16593), (3537, 5531)]