19251891

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{5443}}^1$

素因数の和:5583

約数の個数: 16

約数和(自身を含む): 28744320

約数和(自身を除く): 9492429

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 5443, 16329, 48987, 146961, 713033, 2139099, 6417297, 19251891]

約数ペア:

[(1, 19251891), (3, 6417297), (9, 2139099), (27, 713033), (131, 146961), (393, 48987), (1179, 16329), (3537, 5443)]