18156888

素因数分解:

$2^3\times 3^2\times {\mathrm{421}}^1\times {\mathrm{599}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 49374000

約数和(自身を除く): 31217112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 421, 599, 842, 1198, 1263, 1684, 1797, 2396, 2526, 3368, 3594, 3789, 4792, 5052, 5391, 7188, 7578, 10104, 10782, 14376, 15156, 21564, 30312, 43128, 252179, 504358, 756537, 1008716, 1513074, 2017432, 2269611, 3026148, 4539222, 6052296, 9078444, 18156888]

約数ペア:

[(1, 18156888), (2, 9078444), (3, 6052296), (4, 4539222), (6, 3026148), (8, 2269611), (9, 2017432), (12, 1513074), (18, 1008716), (24, 756537), (36, 504358), (72, 252179), (421, 43128), (599, 30312), (842, 21564), (1198, 15156), (1263, 14376), (1684, 10782), (1797, 10104), (2396, 7578), (2526, 7188), (3368, 5391), (3594, 5052), (3789, 4792)]