18159588

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{11731}}^1$

素因数の和:11784

約数の個数: 36

約数和(自身を含む): 46974928

約数和(自身を除く): 28815340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 11731, 23462, 35193, 46924, 70386, 105579, 140772, 211158, 422316, 504433, 1008866, 1513299, 2017732, 3026598, 4539897, 6053196, 9079794, 18159588]

約数ペア:

[(1, 18159588), (2, 9079794), (3, 6053196), (4, 4539897), (6, 3026598), (9, 2017732), (12, 1513299), (18, 1008866), (36, 504433), (43, 422316), (86, 211158), (129, 140772), (172, 105579), (258, 70386), (387, 46924), (516, 35193), (774, 23462), (1548, 11731)]