18929673

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2194

約数の個数: 32

約数和(自身を含む): 32747520

約数和(自身を除く): 13817847

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2131, 2961, 6393, 8883, 14917, 19179, 44751, 57537, 100157, 134253, 300471, 402759, 701099, 901413, 2103297, 2704239, 6309891, 18929673]

約数ペア:

[(1, 18929673), (3, 6309891), (7, 2704239), (9, 2103297), (21, 901413), (27, 701099), (47, 402759), (63, 300471), (141, 134253), (189, 100157), (329, 57537), (423, 44751), (987, 19179), (1269, 14917), (2131, 8883), (2961, 6393)]