18067623

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 28358640

約数和(自身を除く): 10291017

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1381, 1869, 4143, 4361, 9667, 13083, 29001, 67669, 122909, 203007, 368727, 860363, 2581089, 6022541, 18067623]

約数ペア:

[(1, 18067623), (3, 6022541), (7, 2581089), (21, 860363), (49, 368727), (89, 203007), (147, 122909), (267, 67669), (623, 29001), (1381, 13083), (1869, 9667), (4143, 4361)]