18312237

素因数分解:

$3^5\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 27649440

約数和(自身を除く): 9337203

約数列:

[1, 3, 9, 27, 81, 179, 243, 421, 537, 1263, 1611, 3789, 4833, 11367, 14499, 34101, 43497, 75359, 102303, 226077, 678231, 2034693, 6104079, 18312237]

約数ペア:

[(1, 18312237), (3, 6104079), (9, 2034693), (27, 678231), (81, 226077), (179, 102303), (243, 75359), (421, 43497), (537, 34101), (1263, 14499), (1611, 11367), (3789, 4833)]