18489914

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12647}}^1$

素因数の和:12709

約数の個数: 16

約数和(自身を含む): 30051648

約数和(自身を除く): 11561734

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 12647, 25294, 214999, 429998, 543821, 1087642, 9244957, 18489914]

約数ペア:

[(1, 18489914), (2, 9244957), (17, 1087642), (34, 543821), (43, 429998), (86, 214999), (731, 25294), (1462, 12647)]