18871170019

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{327017}}^1$

素因数の和:327246

約数の個数: 16

約数和(自身を含む): 21316341312

約数和(自身を除く): 2445171293

約数列:

[1, 13, 23, 193, 299, 2509, 4439, 57707, 327017, 4251221, 7521391, 63114281, 97778083, 820485653, 1451628463, 18871170019]

約数ペア:

[(1, 18871170019), (13, 1451628463), (23, 820485653), (193, 97778083), (299, 63114281), (2509, 7521391), (4439, 4251221), (57707, 327017)]