18748144

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68927}}^1$

素因数の和:68952

約数の個数: 20

約数和(自身を含む): 38461824

約数和(自身を除く): 19713680

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68927, 137854, 275708, 551416, 1102832, 1171759, 2343518, 4687036, 9374072, 18748144]

約数ペア:

[(1, 18748144), (2, 9374072), (4, 4687036), (8, 2343518), (16, 1171759), (17, 1102832), (34, 551416), (68, 275708), (136, 137854), (272, 68927)]