18911334

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242453}}^1$

素因数の和:242471

約数の個数: 16

約数和(自身を含む): 40732272

約数和(自身を除く): 21820938

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242453, 484906, 727359, 1454718, 3151889, 6303778, 9455667, 18911334]

約数ペア:

[(1, 18911334), (2, 9455667), (3, 6303778), (6, 3151889), (13, 1454718), (26, 727359), (39, 484906), (78, 242453)]