18989912

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{10457}}^1$

素因数の和:10690

約数の個数: 16

約数和(自身を含む): 35766360

約数和(自身を除く): 16776448

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 10457, 20914, 41828, 83656, 2373739, 4747478, 9494956, 18989912]

約数ペア:

[(1, 18989912), (2, 9494956), (4, 4747478), (8, 2373739), (227, 83656), (454, 41828), (908, 20914), (1816, 10457)]