18990654

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{44579}}^1$

素因数の和:44655

約数の個数: 16

約数和(自身を含む): 38517120

約数和(自身を除く): 19526466

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 44579, 89158, 133737, 267474, 3165109, 6330218, 9495327, 18990654]

約数ペア:

[(1, 18990654), (2, 9495327), (3, 6330218), (6, 3165109), (71, 267474), (142, 133737), (213, 89158), (426, 44579)]